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结构用冷弯空心型钢(摘自GB/T 6728)

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结构用冷弯空心型钢(摘自GB/T 6728)

结构用冷弯空心型钢(摘自GB/T 6728-2017)

圆形冷弯空心型钢

圆形冷弯空心型钢(GB/T 6728—2017)

外径D	允许偏差	壁厚t	理论质量	截面面积	惯性矩	惯性半径	弹性模数	塑性模数	扭转常数	每米长度表面积 A_s/m²
/mm	/mm	/mm	M/kg·m^-¹	A/cm²	I/cm⁴	R/cm	Z/cm³	S/cm³	J/cm⁴	C/cm³
21.3 (21.3)	±0.50	1.2 1.5 1.75 2.0 2.5 3.0	0.59 0.73 0.84 0.95 1.16 1.35	0.76 0.93 1.07 1.21 1.48 1.72	0.38 0.46 0.52 0.57 0.66 0.74	0.712 0.702 0.694 0.686 0.671 0.655	0.36 0.43 0.49 0.54 0.62 0.70	0.49 0.59 0.67 0.75 0.89 1.01	0.77 0.92 1.04 1.14 1.33 1.48	0.72 0.86 0.97 1.07 1.25 1.39	0.067 0.067 0.067 0.067 0.067 0.067
26.8 (26.9)	±0.50	1.2 1.5 1.75 2.0 2.5 3.0	0.76 0.94 1.08 1.22 1.50 1.76	0.97 1.19 1.38 1.56 1.91 2.24	0.79 0.96 1.09 1.21 1.42 1.61	0.906 0.896 0.888 0.879 0.864 0.848	0.59 0.71 0.81 0.90 1.06 1.20	0.79 0.96 1.10 1.23 1.48 1.71	1.58 1.91 2.17 2.41 2.85 3.23	1.18 1.43 1.62 1.80 2.12 2.41	0.084 0.084 0.084 0.084 0.084 0.084
33.5 (33.7)	±0.50	1.5 2.0 2.5 3.0 3.5 4.0	1.18 1.55 1.91 2.26 2.59 2.91	1.51 1.98 2.43 2.87 3.29 3.71	1.93 2.46 2.94 3.37 3.76 4.11	1.132 1.116 1.099 1.084 1.068 1.053	1.15 1.47 1.76 2.01 2.24 2.45	1.54 1.99 2.41 2.80 3.16 3.50	3.87 4.93 5.89 6.75 7.52 8.21	2.31 2.94 3.51 4.03 4.49 4.90	0.105 0.105 0.105 0.105 0.105 0.105
42.3 (42.4)	±0.50	1.5 2.0 2.5 3.0 4.0	1.51 1.99 2.45 2.91 3.78	1.92 2.53 3.13 3.70 4.81	4.01 5.15 6.21 7.19 8.92	1.443 1.427 1.410 1.394 1.361	1.89 2.44 2.94 3.40 4.22	2.50 3.25 3.97 4.64 5.89	8.01 10.31 12.43 14.39 17.84	3.79 4.87 5.88 6.80 8.44	0.133 0.133 0.133 0.133 0.133
48 (48.3)	±0.50	1.5 2.0 2.5 3.0 4.0 5.0	1.72 2.27 2.81 3.33 4.34 5.30	2.19 2.89 3.57 4.24 5.53 6.75	5.93 7.66 9.28 10.78 13.49 15.82	1.645 1.628 1.611 1.594 1.562 1.530	2.47 3.19 3.86 4.49 5.62 6.59	3.24 4.23 5.18 6.08 7.77 9.29	11.86 15.32 18.55 21.57 26.98 31.65	4.94 6.38 7.73 9.89 11.24 13.18	0.151 0.151 0.151 0.151 0.151 0.151
60 (60.3)	±0.60	2.0 2.5 3.0 4.0 5.0	2.86 3.55 4.22 5.52 6.78	3.64 4.52 5.37 7.04 8.64	15.34 18.70 21.88 27.73 32.94	2.052 2.035 2.018 1.985 1.953	5.11 6.23 7.29 9.24 10.98	6.73 8.27 9.76 12.56 15.17	30.68 37.40 43.76 55.45 65.88	10.23 12.47 14.58 18.48 21.96	0.188 0.188 0.188 0.188 0.188
75.5 (76.1)	±0.76	2.5 3.0 4.0 5.0	4.50 5.36 7.05 8.69	5.73 6.83 8.98 11.07	38.24 44.97 57.59 69.15	2.582 2.565 2.531 2.499	10.13 11.91 15.26 18.32	13.33 15.78 20.47 24.89	76.47 89.84 115.19 138.29	20.26 23.82 30.51 36.63	0.237 0.237 0.237 0.237
88.5 (88.9)	±0.90	3.0 4.0 5.0 6.0	6.33 8.34 10.30 12.21	8.06 10.62 13.12 15.55	73.73 94.99 114.72 133.00	3.025 2.991 2.957 2.925	16.66 21.46 25.93 30.06	21.94 28.58 34.90 40.91	147.45 189.97 229.44 266.01	33.32 42.93 51.85 60.11	0.278 0.278 0.278 0.278
114 (114.3)	±1.15	4.0 5.0 6.0	10.85 13.44 15.98	13.82 17.12 20.36	209.35 254.81 297.73	3.892 3.858 3.824	36.73 44.70 52.23	48.42 59.45 70.06	418.70 509.61 595.46	73.46 89.41 104.47	0.358 0.358 0.358
140 (139.7)	±1.40	4.0 5.0 6.0	13.42 16.65 19.83	17.09 21.21 25.26	395.47 483.76 568.03	4.810 4.776 4.742	56.50 69.11 85.15	74.01 91.17 107.81	790.94 967.52 1136.13	112.99 138.22 162.30	0.440 0.440 0.440
165 (168.3)	±1.65	4.0 5.0 6.0 8.0	15.88 19.73 23.53 30.97	20.23 25.13 29.97 39.46	655.94 805.04 948.47 1218.92	5.69 5.66 5.63 5.56	79.51 97.58 114.97 147.75	103.71 128.04 151.76 197.36	1311.69 1610.07 1896.93 2437.84	159.02 195.16 229.93 295.50	0.518 0.518 0.518 0.518
219.1 (219.1)	±2.20	5.0 6.0 8.0 10.0	26.40 31.53 41.60 51.60	33.60 40.17 53.10 65.70	1928 2282 2960 3598	7.57 7.54 7.47 7.40	176 208 270 328	229 273 357 438	3856 4564 5919 7197	352 417 540 657	0.688 0.688 0.688 0.688
273 (273)	±2.75	5.0 6.0 8.0 10.0	33.0 39.5 52.3 64.9	42.1 50.3 66.6 82.6	3781 4487 5852 7154	9.48 9.44 9.37 9.31	277 329 429 524	359 428 562 692	7562 8974 11700 14310	554 657 857 1048	0.858 0.858 0.858 0.858
325 (323.9)	±3.25	5.0 6.0 8.0 10.0 12.0	39.5 47.2 62.5 77.7 92.6	50.3 60.1 79.7 99.0 118.0	6436 7651 10014 12287 14472	11.32 11.28 11.21 11.14 11.07	396 471 616 756 891	512 611 804 99.3 1176	12871 15303 20028 24573 28943	792 942 1232 1512 1781	1.12 1.12 1.12 1.12 1.12
355.6 (355.6)	±3.55	6.0 8.0 10.0 12.0	51.7 68.6 85.2 101.7	65.9 87.4 109.0 130.0	10071 13200 16220 19140	12.4 12.3 12.2 12.2	566 742 912 1076	733 967 1195 1417	20141 26400 32450 38279	1133 1485 1825 2153	1.20 1.20 1.20 1.20
406.4 (406.4)	±4.10	8.0 10.0 12.0	78.6 97.8 116.7	100 125 149	19870 24480 28937	14.1 14.0 14.0	978 1205 1424	1270 1572 1867	39750 48950 57874	1956 2409 2848	1.28 1.28 1.28
458 (457)	±4.60	8.0 10.0 12.0	88.6 110.0 131.7	113 140 168	28450 35090 41556	15.9 15.8 15.7	1245 1536 1819	1613 1998 2377	56890 70180 83113	2490 3071 3637	1.44 1.44 1.44
508 (508)	±5.10	8.0 10.0 12.0	98.6 123.0 146.8	126 156 187	39280 48520 57536	17.7 17.6 17.5	1546 1910 2265	2000 2480 2953	78560 97040 115072	3093 3621 4530	1.60 1.60 1.60
610	±6.10	8.0 10.0 12.5 16.0	118.8 148.0 184.2 234.4	151 189 235 299	68552 84847 104755 131782	21.3 21.2 21.1 21.0	2248 2781 3435 4321	2899 3600 4463 5647	137103 169694 209510 263563	4495 5564 6869 8641	1.92 1.92 1.92 1.92
注：1.括号内为ISO4019所列规格。 2.按GB/T 6725—2002冷弯型钢用钢材的牌号和化学成分(熔炼分析)应符合GB/T 699、GB/T 700、GB/T 1591、GB/T 4171、GB/T 4239等标准的规定。根据需方要求也可提供钢材成品化学成分。 3.冷弯型钢一般不进行力学性能和工艺性能试验，按需方要求并在合同中注明，可在原料钢带上进行力学性能及工艺性能试验，并应符合相应标准的规定。 4.冷弯空心型钢用钢带冷弯后焊接而成的。焊缝处不得有开焊、搭焊、烧穿及错位等缺陷。 5.冷弯空心型钢以冷加工状态交货，通常长度为4～12m。

圆形冷弯空心型钢(GB/T 6728—2017)

外径D

允许偏差

壁厚t

理论质量

截面面积

惯性矩

惯性半径

弹性模数

塑性模数

扭转常数

每米长度

表面积

A_s/m²

/mm

M/kg·m^-¹

A/cm²

I/cm⁴

R/cm

Z/cm³

S/cm³

J/cm⁴

C/cm³

21.3

(21.3)

±0.50

1.2

1.5

1.75

2.0

2.5

3.0

0.59

0.73

0.84

0.95

1.16

1.35

0.76

0.93

1.07

1.21

1.48

1.72

0.38

0.46

0.52

0.57

0.66

0.74

0.712

0.702

0.694

0.686

0.671

0.655

0.36

0.43

0.49

0.54

0.62

0.70

0.49

0.59

0.67

0.75

0.89

1.01

0.77

0.92

1.04

1.14

1.33

1.48

0.72

0.86

0.97

1.07

1.25

1.39

0.067

26.8

(26.9)

±0.50

1.2

1.5

1.75

2.0

2.5

3.0

0.76

0.94

1.08

1.22

1.50

1.76

0.97

1.19

1.38

1.56

1.91

2.24

0.79

0.96

1.09

1.21

1.42

1.61

0.906

0.896

0.888

0.879

0.864

0.848

0.59

0.71

0.81

0.90

1.06

1.20

0.79

0.96

1.10

1.23

1.48

1.71

1.58

1.91

2.17

2.41

2.85

3.23

1.18

1.43

1.62

1.80

2.12

2.41

0.084

33.5

(33.7)

±0.50

1.5

2.0

2.5

3.0

3.5

4.0

1.18

1.55

1.91

2.26

2.59

2.91

1.51

1.98

2.43

2.87

3.29

3.71

1.93

2.46

2.94

3.37

3.76

4.11

1.132

1.116

1.099

1.084

1.068

1.053

1.15

1.47

1.76

2.01

2.24

2.45

1.54

1.99

2.41

2.80

3.16

3.50

3.87

4.93

5.89

6.75

7.52

8.21

2.31

2.94

3.51

4.03

4.49

4.90

0.105

42.3

(42.4)

±0.50

1.5

2.0

2.5

3.0

4.0

1.51

1.99

2.45

2.91

3.78

1.92

2.53

3.13

3.70

4.81

4.01

5.15

6.21

7.19

8.92

1.443

1.427

1.410

1.394

1.361

1.89

2.44

2.94

3.40

4.22

2.50

3.25

3.97

4.64

5.89

8.01

10.31

12.43

14.39

17.84

3.79

4.87

5.88

6.80

8.44

0.133

(48.3)

±0.50

1.5

2.0

2.5

3.0

4.0

5.0

1.72

2.27

2.81

3.33

4.34

5.30

2.19

2.89

3.57

4.24

5.53

6.75

5.93

7.66

9.28

10.78

13.49

15.82

1.645

1.628

1.611

1.594

1.562

1.530

2.47

3.19

3.86

4.49

5.62

6.59

3.24

4.23

5.18

6.08

7.77

9.29

11.86

15.32

18.55

21.57

26.98

31.65

4.94

6.38

7.73

9.89

11.24

13.18

0.151

(60.3)

±0.60

2.0

2.5

3.0

4.0

5.0

2.86

3.55

4.22

5.52

6.78

3.64

4.52

5.37

7.04

8.64

15.34

18.70

21.88

27.73

32.94

2.052

2.035

2.018

1.985

1.953

5.11

6.23

7.29

9.24

10.98

6.73

8.27

9.76

12.56

15.17

30.68

37.40

43.76

55.45

65.88

10.23

12.47

14.58

18.48

21.96

0.188

75.5

(76.1)

±0.76

2.5

3.0

4.0

5.0

4.50

5.36

7.05

8.69

5.73

6.83

8.98

11.07

38.24

44.97

57.59

69.15

2.582

2.565

2.531

2.499

10.13

11.91

15.26

18.32

13.33

15.78

20.47

24.89

76.47

89.84

115.19

138.29

20.26

23.82

30.51

36.63

0.237

88.5

(88.9)

±0.90

3.0

4.0

5.0

6.0

6.33

8.34

10.30

12.21

8.06

10.62

13.12

15.55

73.73

94.99

114.72

133.00

3.025

2.991

2.957

2.925

16.66

21.46

25.93

30.06

21.94

28.58

34.90

40.91

147.45

189.97

229.44

266.01

33.32

42.93

51.85

60.11

0.278

114

(114.3)

±1.15

4.0

5.0

6.0

10.85

13.44

15.98

13.82

17.12

20.36

209.35

254.81

297.73

3.892

3.858

3.824

36.73

44.70

52.23

48.42

59.45

70.06

418.70

509.61

595.46

73.46

89.41

104.47

0.358

140

(139.7)

±1.40

4.0

5.0

6.0

13.42

16.65

19.83

17.09

21.21

25.26

395.47

483.76

568.03

4.810

4.776

4.742

56.50

69.11

85.15

74.01

91.17

107.81

790.94

967.52

1136.13

112.99

138.22

162.30

0.440

165

(168.3)

±1.65

4.0

5.0

6.0

8.0

15.88

19.73

23.53

30.97

20.23

25.13

29.97

39.46

655.94

805.04

948.47

1218.92

5.69

5.66

5.63

5.56

79.51

97.58

114.97

147.75

103.71

128.04

151.76

197.36

1311.69

1610.07

1896.93

2437.84

159.02

195.16

229.93

295.50

0.518

219.1

(219.1)

±2.20

5.0

6.0

8.0

10.0

26.40

31.53

41.60

51.60

33.60

40.17

53.10

65.70

1928

2282

2960

3598

7.57

7.54

7.47

7.40

176

208

270

328

229

273

357

438

3856

4564

5919

7197

352

417

540

657

0.688

273

(273)

±2.75

5.0

6.0

8.0

10.0

33.0

39.5

52.3

64.9

42.1

50.3

66.6

82.6

3781

4487

5852

7154

9.48

9.44

9.37

9.31

277

329

429

524

359

428

562

692

7562

8974

11700

14310

554

657

857

1048

0.858

325

(323.9)

±3.25

5.0

6.0

8.0

10.0

12.0

39.5

47.2

62.5

77.7

92.6

50.3

60.1

79.7

99.0

118.0

6436

7651

10014

12287

14472

11.32

11.28

11.21

11.14

11.07

396

471

616

756

891

512

611

804

99.3

1176

12871

15303

20028

24573

28943

792

942

1232

1512

1781

1.12

355.6

(355.6)

±3.55

6.0

8.0

10.0

12.0

51.7

68.6

85.2

101.7

65.9

87.4

109.0

130.0

10071

13200

16220

19140

12.4

12.3

12.2

566

742

912

1076

733

967

1195

1417

20141

26400

32450

38279

1133

1485

1825

2153

1.20

406.4

(406.4)

±4.10

8.0

10.0

12.0

78.6

97.8

116.7

100

125

149

19870

24480

28937

14.1

14.0

978

1205

1424

1270

1572

1867

39750

48950

57874

1956

2409

2848

1.28

458

(457)

±4.60

8.0

10.0

12.0

88.6

110.0

131.7

113

140

168

28450

35090

41556

15.9

15.8

15.7

1245

1536

1819

1613

1998

2377

56890

70180

83113

2490

3071

3637

1.44

508

(508)

±5.10

8.0

10.0

12.0

98.6

123.0

146.8

126

156

187

39280

48520

57536

17.7

17.6

17.5

1546

1910

2265

2000

2480

2953

78560

97040

115072

3093

3621

4530

1.60

610

±6.10

8.0

10.0

12.5

16.0

118.8

148.0

184.2

234.4

151

189

235

299

68552

84847

104755

131782

21.3

21.2

21.1

21.0

2248

2781

3435

4321

2899

3600

4463

5647

137103

169694

209510

263563

4495

5564

6869

8641

1.92

注：1.括号内为ISO4019所列规格。

2.按GB/T 6725—2002冷弯型钢用钢材的牌号和化学成分(熔炼分析)应符合GB/T 699、GB/T 700、GB/T 1591、GB/T 4171、GB/T 4239等标准的规定。根据需方要求也可提供钢材成品化学成分。

3.冷弯型钢一般不进行力学性能和工艺性能试验，按需方要求并在合同中注明，可在原料钢带上进行力学性能及工艺性能试验，并应符合相应标准的规定。

4.冷弯空心型钢用钢带冷弯后焊接而成的。焊缝处不得有开焊、搭焊、烧穿及错位等缺陷。

5.冷弯空心型钢以冷加工状态交货，通常长度为4～12m。

方形冷弯空心型钢

方形冷弯空心型钢(GB/T6728—2017)

冷弯型钢弯角外圆弧半径
厚度 t/mm	弯角外圆弧半径r		厚度 t/mm	弯角外圆弧半径r
厚度 t/mm	碳素钢 (σ_s≤320MPa)	低合金钢 (σ_s＞320MPa)	厚度 t/mm	碳素钢 (σ_s≤320MPa)	低合金钢 (σ_s＞320MPa)
t≤3	(1.0～2.5)t	(1.5～2.5)t	6＜t≤10	(2.0～3.0)t	(2.0～3.5)t
3＜t≤6	(1.5～2.5)t	(2.0～3.0)t	t＞10	(2.0～3.5)t	(2.5～4.0)t
注：σ_s值指标准中规定的最低值。

边长

允许偏差

壁厚

理论质量

截面面积

惯性矩

惯性半径

截面系数

扭转常数

B/mm

/mm

t/mm

M/kg·m^-¹

A/cm²

I_X＝I_Y/cm⁴

R_X＝R_Y/cm

W_X＝W_Y/cm³

I_t/cm⁴

C_t/cm³

±0.50

1.2

1.5

1.75

2.0

0.679

0.826

0.941

1.050

0.865

1.052

1.199

1.340

0.498

0.583

0.642

0.692

0.759

0.744

0.732

0.720

0.498

0.583

0.642

0.692

0.823

0.985

1.106

1.215

0.75

0.88

0.98

1.06

±0.50

1.2

1.5

1.75

2.0

0.867

1.061

1.215

1.363

1.105

1.352

1.548

1.736

1.025

1.216

1.357

1.482

0.963

0.948

0.936

0.923

0.820

0.973

1.086

1.186

1.655

1.998

2.261

2.502

1.24

1.47

1.65

1.80

±0.50

1.5

1.75

2.0

2.5

3.0

1.296

1.490

1.677

2.032

2.361

1.652

1.898

2.136

2.589

3.008

2.195

2.470

2.721

3.154

3.500

1.152

1.140

1.128

1.103

1.078

1.463

1.646

1.814

2.102

2.333

3.555

4.048

4.511

5.347

6.060

2.21

2.49

2.75

3.20

3.58

±0.50

1.5

1.75

2.0

2.5

3.0

4.0

1.767

2.039

2.305

2.817

3.303

4.198

2.525

2.598

2.936

3.589

4.208

5.347

5.489

6.237

6.939

8.213

9.320

11.064

1.561

1.549

1.537

1.512

1.488

1.438

2.744

3.118

3.469

4.106

4.660

5.532

8.728

10.009

11.238

13.539

15.628

19.152

4.13

4.69

5.23

6.21

7.07

8.48

±0.50

1.5

1.75

2.0

2.5

3.0

4.0

2.238

2.589

2.933

3.602

4.245

5.454

2.852

3.298

3.736

4.589

5.408

6.947

11.065

12.641

14.146

16.941

19.463

23.725

1.969

1.957

1.945

1.921

1.897

1.847

4.426

5.056

5.658

6.776

7.785

9.490

17.395

20.025

22.578

27.436

31.972

40.047

6.65

7.60

8.51

10.22

11.77

14.43

±0.60

2.0

2.5

3.0

4.0

5.0

3.560

4.387

5.187

6.710

8.129

4.540

5.589

6.608

8.547

10.356

25.120

30.340

35.130

43.539

50.468

2.350

2.329

2.305

2.256

2.207

8.380

10.113

11.710

14.513

16.822

39.810

48.539

56.892

72.188

85.560

12.60

15.22

17.65

21.97

25.61

±0.65

2.5

3.0

4.0

5.0

5.170

6.129

7.966

9.699

6.590

7.808

10.147

12.356

49.400

57.522

72.108

84.602

2.740

2.714

2.665

2.616

14.100

16.434

20.602

24.172

78.500

92.188

117.975

141.183

21.20

24.74

31.11

36.65

±0.70

2.5

3.0

4.0

5.0

5.957

7.071

9.222

11.269

7.589

9.008

11.747

14.356

75.147

87.838

111.031

131.414

3.147

3.122

3.074

3.025

18.787

21.959

27.757

32.853

118.520

139.660

179.808

216.628

28.22

33.02

41.84

49.68

±0.75

3.0

4.0

5.0

6.0

8.013

10.478

12.839

15.097

10.208

13.347

16.356

19.232

127.277

161.907

192.903

220.420

3.531

3.482

3.434

3.385

28.283

35.979

42.867

48.982

201.108

260.088

314.896

365.452

42.51

54.17

64.71

74.16

100

±0.80

4.0

5.0

6.0

11.734

14.409

16.981

11.947

13.356

21.632

226.337

271.071

311.415

3.891

3.842

3.794

45.267

54.214

62.283

361.213

438.986

511.558

68.10

81.72

94.12

110

±0.90

4.0

5.0

6.0

12.990

15.980

18.866

16.548

20.356

24.033

305.940

367.950

424.570

4.300

4.252

4.203

55.625

66.900

77.194

486.47

593.60

694.85

83.63

100.74

116.47

120

±0.90

4.0

5.0

6.0

8.0

14.246

17.549

20.749

26.840

18.147

22.356

26.432

34.191

402.260

485.441

562.094

696.639

4.708

4.659

4.611

4.513

67.043

80.906

93.683

116.106

635.603

776.632

910.281

1155.010

100.75

121.75

141.22

174.58

130

±1.00

4.0

5.0

6.0

8.0

15.502

19.120

22.634

28.921

19.748

24.356

28.833

36.842

516.970

625.680

726.640

882.860

5.117

5.068

5.020

4.895

79.534

96.258

111.79

135.82

814.72

998.22

1173.6

1502.1

119.48

144.77

168.36

209.54

140

±1.10

4.0

5.0

6.0

8.0

16.758

20.689

24.517

31.864

21.347

26.356

31.232

40.591

651.598

790.523

920.359

1153.735

5.524

5.476

5.428

5.331

53.085

112.931

131.479

164.819

1022.176

1253.565

1475.020

1887.605

139.8

169.78

197.9

247.69

150

±1.20

4.0

5.0

6.0

8.0

18.014

22.260

26.402

33.945

22.948

28.356

33.633

43.242

807.82

982.12

1145.9

1411.8

5.933

5.885

5.837

5.714

107.71

130.95

152.79

188.25

1264.8

1554.1

1832.7

2364.1

161.73

196.79

229.84

289.03

160

±1.20

4.0

5.0

6.0

8.0

19.270

23.829

28.285

36.888

24.547

30.356

36.032

46.991

987.152

1202.317

1405.408

1776.496

6.341

6.293

6.245

6.148

123.394

150.289

175.676

222.062

1540.134

1893.787

2234.573

2876.940

185.25

225.79

264.18

333.56

170

±1.30

4.0

5.0

6.0

8.0

20.526

25.400

30.170

38.969

26.148

32.356

38.433

49.642

1191.3

1453.3

1701.6

2118.2

6.750

6.702

6.654

6.532

140.15

170.97

200.18

249.20

1855.8

2285.3

2701.0

3503.1

210.37

256.80

300.91

381.28

180

±1.40

4.0

5.0

6.0

8.0

21.80

27.00

32.10

41.50

27.70

34.40

40.80

52.80

1422

1737

2037

2546

7.16

7.11

7.06

6.94

158

193

226

283

2210

2724

3223

4189

237

290

340

432

190

±1.50

4.0

5.0

6.0

8.0

23.00

28.50

33.90

44.00

29.30

36.40

43.20

56.00

1680

2055

2413

3208

7.57

7.52

7.47

7.35

176

216

254

319

2607

3216

3807

4958

265

325

381

486

200

±1.60

4.0

5.0

6.0

8.0

10.0

24.30

30.10

35.80

46.50

57.00

30.90

38.40

45.60

59.20

72.60

1968

2410

2833

3566

4251

7.97

7.93

7.88

7.76

7.65

197

241

283

357

425

3049

3763

4459

5815

7072

295

362

426

544

651

220

±1.80

5.0

6.0

8.0

10.0

12.0

33.2

39.6

51.5

63.2

73.5

42.4

50.4

65.6

80.6

93.7

3238

3813

4828

5782

6487

8.74

8.70

8.58

8.47

8.32

294

347

439

526

590

5038

5976

7815

9533

11149

442

521

668

804

922

250

±2.00

5.0

6.0

8.0

10.0

12.0

38.0

45.2

59.1

72.7

84.8

48.4

57.6

75.2

92.6

108.0

4805

5672

7299

8707

9859

9.97

9.92

9.80

9.70

9.55

384

454

578

697

789

7443

8843

11598

14197

16691

577

681

878

1062

1226

280

±2.20

5.0

6.0

8.0

10.0

12.0

42.7

50.9

66.6

82.1

96.1

54.4

64.8

84.8

104.6

122.5

6810

8054

10317

12479

14232

11.2

11.1

11.0

10.9

10.8

486

575

737

891

1017

10513

12504

16436

20173

23804

730

863

1117

1356

1574

300

±2.40

6.0

8.0

10.0

12.0

54.7

71.6

88.4

104.0

69.6

91.2

113.0

132.0

9964

12801

15519

17767

12.0

11.8

11.7

11.6

664

853

1035

1184

15434

20312

24966

29514

997

1293

1572

1829

350

±2.80

6.0

8.0

10.0

12.0

64.1

84.2

104.0

123.0

81.6

107.0

133.0

156.0

16008

20618

25189

29054

14.0

13.9

13.8

13.6

915

1182

1439

1660

24683

32557

40127

47598

1372

1787

2182

2552

400

±3.20

8.0

10.0

12.0

14.0

96.7

120

141

163

123.0

153.0

180.0

208.0

31269

38216

44319

50414

15.9

15.8

15.7

15.6

1564

1911

2216

2521

48934

60431

71843

82735

2362

2892

3395

3877

450

±3.60

8.0

10.0

12.0

14.0

109

135

160

185

139

173

204

236

44966

55100

64164

73210

18.0

17.9

17.7

17.6

1999

2449

2851

3254

70043

86629

103150

119000

3016

3702

4357

4989

500

±4.00

8.0

10.0

12.0

14.0

16.0

122

151

179

207

235

155

193

228

264

299

62172

76341

89187

102010

114260

20.0

19.9

19.8

19.7

19.6

2487

3054

3568

4080

4570

96483

119470

142420

164530

186140

3750

4612

5440

6241

7013

注：1.按GB/T 6725—2002冷弯型钢用钢材的牌号和化学成分(熔炼分析)应符合GB/T 699、GB/T 700、GB/T 1591、GB/T 4171、GB/T 4239等标准的规定。根据需方要求也可提供钢材成品化学成分。

2.冷弯型钢一般不进行力学性能和工艺性能试验，按需方要求并在合同中注明，可在原料钢带上进行力学性能及工艺性能试验，并应符合相应标准的规定。

3.冷弯空心型钢用钢带冷弯后焊接而成的。焊缝处不得有开焊、搭焊、烧穿及错位等缺陷。

4.冷弯空心型钢以冷加工状态交货，通常长度为4～12m。

矩形冷弯空心型钢

矩形冷弯空心型钢(GB/T 6728—2017)

冷弯型钢弯角外圆弧半径
厚度 t/mm	弯角外圆弧半径r		厚度 t/mm	弯角外圆弧半径r
厚度 t/mm	碳素钢 (σ_s≤320MPa)	低合金钢 (σ_s＞320MPa)	厚度 t/mm	碳素钢 (σ_s≤320MPa)	低合金钢 (σ_s＞320MPa)
t≤3	(1.0~2.5)t	(1.5~2.5)t	6＜t≤10	(2.0~3.0)t	(2.0~3.5)t
3＜t≤6	(1.5~2.5)t	(2.0~3.0)t	t＞10	(2.0~3.5)t	(2.5~4.0)t
注：σ_s值指标准中规定的最低值。

边长/mm

允许偏差

壁厚

理论质量

截面面积

惯性矩/cm⁴

惯性半径/cm

截面系数/cm³

扭转常数

/mm

t/mm

M/kg·m^-¹

A/cm²

I_X

I_Y

R_X

R_Y

W_X

W_Y

I_t/cm⁴

C_t/cm³

±0.50

1.5

1.06

1.35

1.59

0.84

1.08

0.788

1.06

0.84

1.83

1.40

1.75

1.22

1.55

1.77

0.93

1.07

0.777

1.18

0.93

2.07

1.56

2.0

1.36

1.74

1.94

1.02

1.06

0.765

1.29

1.02

2.29

1.71

2.5

1.64

2.09

2.21

1.15

1.03

0.742

1.47

1.15

2.68

1.95

±0.50

1.5

1.30

1.65

3.27

1.10

1.41

0.815

1.63

1.10

2.74

1.91

1.75

1.49

1.90

3.68

1.22

1.39

0.804

1.84

1.23

3.11

2.14

2.0

1.68

2.14

4.05

1.34

1.38

0.793

2.02

1.34

3.45

2.36

2.5

2.03

2.59

4.69

1.54

1.35

0.770

2.35

1.54

4.06

2.72

3.0

2.36

3.01

5.21

1.68

1.32

0.748

2.60

1.68

4.57

3.00

±0.50

1.5

1.41

1.80

3.82

1.84

1.46

1.010

1.91

1.47

4.06

2.46

1.75

1.63

2.07

4.32

2.07

1.44

0.999

2.16

1.66

4.63

2.78

2.0

1.83

2.34

4.77

2.28

1.43

0.988

2.39

1.82

5.17

3.07

2.5

2.23

2.84

5.57

2.64

1.40

0.965

2.79

2.11

6.15

3.59

3.0

2.60

3.31

6.24

2.94

1.37

0.942

3.12

2.35

7.00

4.01

±0.50

1.5

1.53

1.95

4.38

2.81

1.50

1.199

2.19

1.87

5.52

3.02

1.75

1.77

2.25

4.96

3.17

1.48

1.187

2.48

2.11

6.31

3.42

2.0

1.99

2.54

5.49

3.5l

1.47

1.176

2.75

2.34

7.07

3.79

2.5

2.42

3.09

6.45

4.10

1.45

1.153

3.23

2.74

8.47

4.46

3.0

2.83

3.61

7.27

4.60

1.42

1.129

3.63

3.07

9.72

5.03

±0.50

1.5

1.65

2.10

6.65

2.25

1.78

1.040

2.66

1.80

5.52

3.41

1.75

1.90

2.42

7.55

2.54

1.76

1.024

3.02

2.03

6.32

3.54

2.0

2.15

2.74

8.38

2.81

1.75

1.013

3.35

2.25

7.06

3.92

2.5

2.62

2.34

9.89

3.28

1.72

0.991

3.95

2.62

8.43

4.60

3.0

3.07

3.91

11.17

3.67

1.69

0.969

4.47

2.93

9.64

5.18

±0.50

1.5

1.767

2.252

7.535

3.415

1.829

1.231

3.014

2.276

7.587

3.83

1.75

2.039

2.598

8.566

3.868

1.815

1.220

3.426

2.579

8.682

4.35

2.0

2.305

2.936

9.535

4.291

1.801

1.208

3.814

2.861

9.727

4.84

2.5

2.817

3.589

11.296

5.050

1.774

1.186

4.518

3.366

11.666

5.72

3.0

3.303

4.206

12.827

5.696

1.745

1.163

5.130

3.797

13.401

6.49

4.0

4.198

5.347

15.239

6.682

1.688

1.117

6.095

4.455

16.244

7.77

±0.50

1.5

2.003

2.552

9.300

6.602

1.908

1.608

3.720

3.301

12.238

5.24

1.75

2.314

2.948

10.603

7.518

1.896

1.596

4.241

3.759

14.059

5.97

2.0

2.619

3.336

11.840

8.348

1.883

1.585

4.736

4.192

15.817

6.673

2.5

3.210

4.089

14.121

9.976

1.858

1.562

5.648

4.988

19.222

7.965

3.0

3.775

4.808

16.149

11.382

1.833

1.539

6.460

5.691

22.336

9.123

4.0

4.826

6.148

19.493

13.677

1.781

1.492

7.797

6.839

27.820

11.06

±0.50

1.5

1.767

2.252

8.453

2.460

1.937

1.045

3.074

1.968

6.273

3.458

1.75

2.039

2.598

9.606

2.779

1.922

1.034

3.493

2.223

7.156

3.916

2.0

2.305

2.936

10.689

3.073

1.907

1.023

3.886

2.459

7.992

4.342

±0.50

1.5

2.121

2.702

11.674

7.158

2.078

1.627

4.245

3.579

14.017

5.794

1.75

2.452

3.123

13.329

8.158

2.065

1.616

4.847

4.079

16.175

6.614

2.0

2.776

3.536

14.904

9.107

2.052

1.604

5.419

4.553

18.208

7.394

±0.60

1.75

2.726

3.473

15.811

13.660

2.133

1.983

5.749

5.464

23.173

8.415

2.0

3.090

3.936

17.714

15.298

2.121

1.971

6.441

6.119

26.142

9.433

±0.60

2.0

2.620

3.337

15.046

5.078

2.123

1.234

5.015

3.385

12.570

5.881

2.5

3.209

4.089

17.933

5.998

2.094

1.211

5.977

3.998

15.054

6.981

3.0

3.774

4.808

20.496

6.794

2.064

1.188

6.832

4.529

17.335

7.950

4.0

4.826

6.147

24.691

8.045

2.004

1.143

8.230

5.363

21.141

9.523

±0.60

2.0

2.934

3.737

18.412

9.831

2.220

1.622

6.137

4.915

20.702

8.116

2.5

3.602

4.589

22.069

11.734

2.192

1.595

7.356

5.867

25.045

9.722

3.0

4.245

5.408

25.374

13.436

2.166

1.576

8.458

6.718

29.121

11.175

4.0

5.451

6.947

30.974

16.269

2.111

1.530

10.324

8.134

36.298

13.653

±0.60

2.0

3.562

4.537

31.475

18.758

2.634

2.033

8.993

7.503

37.454

12.196

3.0

5.187

6.608

44.046

26.099

2.581

1.987

12.584

10.439

53.426

17.06

4.0

6.710

8.547

54.663

32.210

2.528

1.941

15.618

12.884

67.613

21.189

5.0

8.129

10.356

63.435

37.179

2.474

1.894

18.121

14.871

79.908

24.642

±0.70

2.0

3.561

4.536

37.355

12.720

2.869

1.674

9.339

6.361

30.881

11.004

2.5

4.387

5.589

45.103

15.255

2.840

1.652

11.275

7.627

37.467

13.283

3.0

5.187

6.608

52.246

17.552

2.811

1.629

13.061

8.776

43.680

15.283

4.0

6.710

8.547

64.780

21.474

2.752

1.585

16.195

10.737

54.787

18.844

5.0

8.129

10.356

75.080

24.567

2.692

1.540

18.770

12.283

64.110

21.744

±0.70

3.0

6.129

7.808

70.042

44.886

2.995

2.397

17.510

14.962

88.111

24.143

4.0

7.966

10.147

87.945

56.105

2.943

2.351

21.976

18.701

112.583

30.332

5.0

9.699

12.356

103.247

65.634

2.890

2.304

25.811

21.878

134.503

35.673

±0.75

3.0

5.658

7.208

70.487

19.610

3.127

1.649

15.663

9.805

51.193

17.339

4.0

7.338

9.347

87.894

24.077

3.066

1.604

19.532

12.038

64.320

21.441

5.0

8.914

11.356

102.487

27.651

3.004

1.560

22.774

13.825

75.426

24.819

±0.75

2.0

4.190

5.337

57.878

23.368

3.293

2.093

12.862

9.347

53.366

15.882

2.5

5.172

6.589

70.263

28.236

3.266

2.070

15.614

11.294

65.299

19.235

3.0

6.129

7.808

81.845

32.735

3.237

2.047

18.187

13.094

76.433

22.316

4.0

7.966

10.147

102.696

40.695

3.181

2.002

22.821

16.278

97.162

27.961

5.0

9.699

12.356

120.570

47.345

3.123

1.957

26.793

18.938

115.436

36.774

±0.75

2.0

4.346

5.536

61.75

28.957

3.340

2.287

13.733

10.53

62.724

17.601

2.5

5.368

6.839

75.049

33.065

3.313

2.264

16.678

12.751

76.877

21.357

±0.75

3.0

6.600

8.408

93.203

49.764

3.329

2.432

20.711

16.588

104.552

27.391

4.0

8.594

10.947

117.499

62.387

3.276

2.387

26.111

20.795

133.852

34.501

5.0

10.484

13.356

138.653

73.218

3.222

2.311

30.811

24.406

160.273

40.712

±0.75

2.0

4.347

5.537

66.084

24.521

3.455

2.104

13.912

9.808

57.458

16.804

2.5

5.369

6.839

80.306

29.647

3.247

2.082

16.906

11.895

70.324

20.364

100

±0.80

3.0

6.690

8.408

106.451

36.053

3.558

2.070

21.290

14.421

88.311

25.012

4.0

8.594

10.947

134.124

44.938

3.500

2.026

26.824

17.975

112.409

31.35

5.0

10.484

13.356

158.155

52.429

3.441

1.981

31.631

20.971

133.758

36.804

120

±0.90

2.5

6.350

8.089

143.97

36.704

4.219

2.130

23.995

14.682

96.026

26.006

3.0

7.543

9.608

168.58

42.693

4.189

2.108

28.097

17.077

112.870

30.317

120

±0.90

3.0

8.013

10.208

189.113

64.398

4.304

2.511

31.581

24.666

156.029

37.138

4.0

10.478

13.347

240.724

81.235

4.246

2.466

40.120

27.078

200.407

47.048

5.0

12.839

16.356

286.941

95.968

4.188

2.422

47.823

31.989

240.869

55.846

6.0

15.097

19.232

327.950

108.716

4.129

2.377

54.658

36.238

277.361

63.597

120

±0.90

3.0

8.955

11.408

230.189

123.430

4.491

3.289

38.364

30.857

255.128

50.799

4.0

11.734

14.947

294.569

157.281

4.439

3.243

49.094

39.320

330.438

64.927

5.0

14.409

18.356

353.108

187.747

4.385

3.198

58.850

46.936

400.735

77.772

6.0

16.981

21.632

105.998

214.977

4.332

3.152

67.666

53.744

165.940

83.399

140

±1.00

4.0

12.990

16.547

429.582

180.407

5.095

3.301

61.368

45.101

410.713

76.478

5.0

15.979

20.356

517.023

215.914

5.039

3.256

73.860

53.978

498.815

91.834

6.0

18.865

24.032

569.935

247.905

4.983

3.211

85.276

61.976

580.919

105.83

150

100

±1.20

4.0

14.874

18.947

594.585

318.551

5.601

4.110

79.278

63.710

660.613

104.94

5.0

18.334

23.356

719.164

383.988

5.549

4.054

95.888

79.797

806.733

126.81

6.0

21.691

27.632

834.615

444.135

5.495

4.009

111.282

88.827

915.022

147.07

8.0

28.096

35.791

1039.101

519.308

5.388

3.917

138.546

109.861

1147.710

181.85

160

±1.20

3.0

9.898

12.608

389.860

83.915

5.561

2.580

48.732

27.972

228.15

50.140

4.5

14.498

18.469

552.080

116.66

5.468

2.513

69.010

38.886

324.96

70.085

160

±1.20

4.0

14.216

18.117

597.691

203.532

5.738

3.348

71.711

50.883

493.129

88.031

5.0

17.519

22.356

721.650

214.089

5.681

3.304

90.206

61.020

599.175

105.90

6.0

20.749

26.433

835.936

286.832

5.623

3.259

104.192

76.208

698.881

122.27

8.0

26.810

33.644

1036.485

343.599

5.505

3.170

129.560

85.899

876.599

149.54

180

±1.20

3.0

11.075

14.108

550.35

111.78

6.246

2.815

61.150

34.393

306.750

61.849

4.5

16.264

20.719

784.13

156.47

6.152

2.748

87.125

48.144

438.910

86.993

180

100

±1.30

4.0

16.758

21.317

926.020

373.879

6.586

4.184

102.891

74.755

852.708

127.06

5.0

20.689

26.356

1124.156

451.738

6.530

4.140

124.906

90.347

1012.589

153.88

6.0

24.517

31.232

1309.527

523.767

6.475

4.095

145.503

104.753

1222.933

178.88

8.0

31.861

40.391

1643.149

651.132

6.362

4.002

182.572

130.226

1554.606

222.49

200

100

±1.30

4.0

18.014

22.941

1199.680

410.261

7.230

4.230

119.968

82.152

984.151

141.81

5.0

22.259

28.356

1459.270

496.905

7.173

4.186

145.920

99.381

1203.878

171.94

6.0

26.101

33.632

1703.224

576.855

7.116

4.141

170.332

115.371

1412.986

200.10

8.0

34.376

43.791

2145.993

719.014

7.000

4.052

214.599

143.802

1798.551

249.60

200

120

±1.40

4.0

19.3

24.5

1353

618

7.43

5.02

135

103

1345

172

5.0

23.8

30.4

1649

750

7.37

4.97

165

125

1652

210

6.0

28.3

36.0

1929

874

7.32

4.93

193

146

1947

245

8.0

36.5

46.4

2386

1079

7.17

4.82

239

180

2507

308

200

150

±1.50

4.0

21.2

26.9

1584

1021

7.67

6.16

158

136

1942

219

5.0

26.2

33.4

1935

1245

7.62

6.11

193

166

2391

267

6.0

31.1

39.6

2268

1457

7.56

6.06

227

194

2826

312

8.0

40.2

51.2

2892

1815

7.43

5.95

283

242

3664

396

220

140

±1.50

4.0

21.8

27.7

1892

948

8.26

5.84

172

135

1987

224

5.0

27.0

34.4

2313

1155

8.21

5.80

210

165

2447

274

6.0

32.1

40.8

2714

1352

8.15

5.75

247

193

2891

321

8.0

41.5

52.8

3389

1685

8.01

5.65

308

241

3746

407

250

150

±1.60

4.0

24.3

30.9

2697

1234

9.34

6.32

216

165

2665

275

5.0

30.1

38.4

3304

1508

9.28

6.27

264

201

3285

337

6.0

35.8

45.6

3886

1768

9.23

6.23

311

236

3886

396

8.0

46.5

59.2

4886

2219

9.08

6.12

391

296

5050

504

260

180

±1.80

5.0

33.2

42.4

4121

2350

9.86

7.45

317

261

4695

426

6.0

39.6

50.4

4856

2763

9.81

7.40

374

307

5566

501

8.0

51.5

65.6

6145

3493

9.68

7.29

473

388

7267

642

10.0

63.2

80.6

7363

4174

9.56

7.20

566

646

8850

772

300

200

±2.00

5.0

38.0

48.4

6241

3361

11.4

8.34

416

336

6836

552

6.0

45.0

57.6

7370

3962

11.3

8.29

491

396

8115

651

8.0

59.1

75.2

9389

5042

11.2

8.19

626

504

10627

838

10.0

72.7

92.6

11313

6058

11.1

8.09

754

606

12987

1012

350

250

±2.20

5.0

45.8

58.4

10520

6306

13.4

10.4

601

504

12234

817

6.0

54.7

69.6

12457

7458

13.4

10.3

712

594

14554

967

8.0

71.6

91.2

16001

9573

13.2

10.2

914

766

19136

1253

10.0

88.4

113.0

19407

11588

13.1

10.1

1109

927

23500

1522

400

200

±2.40

5.0

45.8

58.4

12490

4311

14.6

8.60

624

431

10519

742

6.0

54.7

69.6

14789

5092

14.5

8.55

739

509

12069

877

8.0

71.6

91.2

18974

6517

14.4

8.45

949

652

15820

1133

10.0

88.4

113.0

23003

7864

14.3

8.36

1150

786

19368

1373

12.0

104.0

132.0

26248

8977

14.1

8.24

1312

898

22782

1591

400

250

±2.60

5.0

49.7

63.4

14440

7056

15.1

10.6

722

565

14773

937

6.0

59.4

75.6

17118

8352

15.0

10.5

856

668

17580

1110

8.0

77.9

99.2

22048

10744

14.9

10.4

1102

860

23127

1440

10.0

96.2

122.0

26806

13029

14.8

10.3

1340

1042

28423

1753

12.0

113.0

144.0

30766

14926

14.6

10.2

1538

1197

33597

2042

450

250

±2.80

6.0

64.1

81.6

22724

9245

16.7

10.6

1010

740

20687

1253

8.0

84.2

107.0

29336

11916

16.5

10.5

1304

953

27222

1628

10.0

104.0

133.0

35737

14470

16.4

10.4

1588

1158

33473

1983

12.0

123.0

156.0

41137

16663

16.2

10.3

1828

1333

39591

2314

500

300

±3.20

6.0

73.5

93.6

33012

15151

18.8

12.7

1321

1010

32420

1688

8.0

96.7

123.0

42805

19624

18.6

12.6

1712

1308

42767

2202

10.0

120.0

153.0

52328

23933

18.5

12.5

2093

1596

52736

2693

12.0

141.0

180.0

60604

27726

18.3

12.4

2424

1848

62581

3156

550

350

±3.60

8.0

109

139

59783

30040

20.7

14.7

2174

1717

63051

2856

10.0

135

173

73276

36752

20.6

14.6

2665

2100

77901

3503

12.0

160

204

85249

42769

20.4

14.5

3100

2444

92646

4118

14.0

185

236

97269

48731

20.3

14.4

3537

2784

106760

4710

600

400

±4.00

8.0

122

155

80670

43564

22.8

16.8

2689

2178

88672

3591

10.0

151

193

99081

53429

22.7

16.7

3303

2672

109720

4413

12.0

179

228

115670

62391

22.5

16.5

3856

3120

130680

5201

14.0

207

264

132310

71282

22.4

16.4

4410

3564

150850

5962

16.0

235

299

148210

79760

22.3

16.3

4940

3988

170510

6694

3.冷弯空心型钢用钢带冷弯后焊接而成的。焊缝处不得有开焊、搭焊、烧穿及错位等缺陷。

4.冷弯空心型钢以冷加工状态交货，通常长度为4~12m。

结构用冷弯空心型钢(摘自GB/T 6728-2002)

结构用方型冷弯空心型钢截面尺寸、允许偏差、截面面积、理论重量及截面特性

注：表中理论重量按密度7.85g/cm^3 计算。

边长B	允许偏差/mm	壁厚t/mm	理论重量M/(kg/m)	截面面积A/cm^2	惯性矩Ix=Iy/cm^4	惯性半径rx=ry/cm	截面模数Wx=Wy/cm^3	扭转常数
mm	允许偏差/mm	壁厚t/mm	理论重量M/(kg/m)	截面面积A/cm^2	惯性矩Ix=Iy/cm^4	惯性半径rx=ry/cm	截面模数Wx=Wy/cm^3	It/cm^4	Ct/cm^3
20	±0.50	1.2	0.679	0.865	0.498	0.759	0.498	0.823	0.75
20	±0.50	1.5	0.826	1.052	0.583	0.744	0.583	0.985	0.88
20	±0.50	1.75	0.941	1.199	0.642	0.732	0.642	1.106	0.98
20	±0.50	2.0	1.050	1.340	0.692	0.720	0.692	1.215	1.06
25	±0.50	1.2	0.867	1.105	1.025	0.963	0.820	1.655	1.24
25	±0.50	1.5	1.061	1.352	1.216	0.948	0.973	1.998	1.47
25	±0.50	1.75	1.215	1.548	1.357	0.936	1.086	2.261	1.65
25	±0.50	2.0	1.363	1.736	1.482	0.923	1.186	2.502	1.80
30	±0.50	1.5	1.296	1.652	2.195	1.152	1.463	3.555	2.21
30	±0.50	1.75	1.490	1.898	2.470	1.140	1.646	4.048	2.49
30	±0.50	2.0	1.677	2.136	2.721	1.128	1.814	4.511	2075
30	±0.50	2.5	2.032	2.589	3.154	1.103	2.102	5.347	3.20
30	±0.50	3.0	2.361	3.008	3.500	1.078	2.333	6.060	3.58
40	±0.50	1.5	1.767	2.525	5.489	1.561	2.744	8.728	4.13
40	±0.50	1.75	2.039	2.598	6.237	1.549	3.118	10.009	4.69
40	±0.50	2.0	2.305	2.936	6.939	1.537	3.469	11.238	5.23
40	±0.50	2.5	2.817	3.589	8.213	1.512	4.106	13.539	6.21
40	±0.50	3.0	3.303	4.208	9.320	1.488	4.660	15.628	7.07
40	±0.50	4.0	4.198	5.347	11.064	1.438	5.532	19.152	8.48
50	±0.50	1.5	2.238	2.852	11.065	1.969	4.426	17.395	6.65
50	±0.50	1.75	2.589	3.298	12.641	1.957	5.056	20.025	7.60
50	±0.50	2.0	2.933	3.736	14.146	1.945	5.658	22.578	8.51
50	±0.50	2.5	3.602	4.589	16.941	1.921	6.776	27.436	10.22
50	±0.50	3.0	4.245	5.408	19.463	1.897	7.785	31.972	11.77
50	±0.50	4.0	5.454	6.974	23.725	1.847	9.490	40.047	14.43
60	±0.60	2.0	3.560	4.540	25.120	2.350	8.380	39.810	12.60
60	±0.60	2.5	4.387	5.589	30.340	2.329	10.113	48.539	15.22
60	±0.60	3.0	5.187	6.608	35.130	2.305	11.710	56.892	17.65
60	±0.60	4.0	6.710	8.547	43.539	2.256	14.513	72.188	21.97
60	±0.60	5.0	8.129	10.356	50.468	2.207	16.822	85.560	25.61
70	±0.65	2.5	5.170	6.590	49.400	2.740	14.100	78.500	21.20
70	±0.65	3.0	6.129	7.808	57.522	2.714	16.434	92.188	24.74
70	±0.65	4.0	7.966	10.147	72.108	2.665	20.602	117.975	31.11
70	±0.65	5.0	9.699	12.356	84.602	2.616	24.172	141.183	36.65
80	±0.70	2.5	5.957.	7.589	75.147	3.147	18.787	118.52	28.22
80	±0.70	3.0	7.071	9.008	87.838	3.122	21.959	139.660	33.02
80	±0.70	4.0	9.222	11.747	111.031	3.074	27.757	179.808	41.84
80	±0.70	5.0	11.269	14.356	131.414	3.025	32.853	216.628	49.68
90	±0.75	3.0	8.013	10.208	127.277	3.531	28.283	201.108	42.51
90	±0.75	4.0	10.478	13.347	161.907	3.482	35.979	260.088	54.17
90	±0.75	5.0	12.839	16.356	192.903	3.434	42.867	314.896	64.71
90	±0.75	6.0	15.097	19.232	220.420	3.385	48.982	365.452	74.16
100	±0.80	4.0	11.734	11.947	226.337	3.891	45.267	361.213	68.10
100	±0.80	5.0	14.409	18.356	271.071	3.842	52.214	438.986	81.72
100	±0.80	6.0	16.981	21.632	311.415	3.794	62.283	511.558	94.12
110	±0.90	4.0	12.99	16.548	305.94	4.300	55.625	486.47	83.63
110	±0.90	5.0	15.98	20.356	367.95	4.252	66.900	593.60	100.74
110	±0.90	6.0	18.866	24.033	424.57	4.203	77.194	694.85	116.47
120	±0.90	4.0	14.246	18.147	402.260	4.708	67.043	635.603	100.75
120	±0.90	5.0	17.549	22.356	485.441	4.659	80.906	776.632	121.75
120	±0.90	6.0	20.749	26.432	562.094	4.611	93.683	910.281	141.22
120	±0.90	8.0	26.840	34.191	696.639	4.513	116.106	1155.010	174.58
130	±1.00	4.0	15.502	19.748	516.97	5.117	79.534	814.72	119.48
130	±1.00	5.0	19.120	24.356	625.68	5.068	96.258	998.22	144.77
130	±1.00	6.0	22.634	28.833	726.64	5.020	111.79	1173.6	168.36
130	±1.00	8.0	28.921	36.842	882.86	4.895	135.82	1502.1	209.54
140	±1.10	4.0	16.758	21.347	651.598	5.524	53.085	1022.176	139.8
140	±1.10	5.0	20.689	26.356	790.523	5.476	112.931	1253.565	169.78
140	±1.10	6.0	24.517	31.232	920.359	5.428	131.479	1475.020	197.9
140	±1.10	8.0	31.864	40.591	1155.735	5.331	164.819	1887.605	247.69
150	±1.20	4.0	18.014	22.948	807.82	5.933	107.71	1264.8	161.73
150	±1.20	5.0	22.26	28.356	982.12	5.885	130.95	1554.1	196.79
150	±1.20	6.0	26.402	33.633	1145.9	5.837	152.79	1832.7	229.84
150	±1.20	8.0	33.945	43.242	1411.8	5.714	188.25	2364.1	289.03
160	±1.20	4.0	19.270	24.547	987.152	6.341	123.394	1540.134	185.25
160	±1.20	5.0	23.829	30.356	1202.317	6.293	150.289	1893.787	225.79
160	±1.20	6.0	28.285	36.032	1405.408	6.245	175.676	2234.573	264.18
160	±1.20	8.0	36.888	46.991	1776.496	6.148	222.062	2876.940	333.56
170	±1.30	4.0	20.526	26.148	1191.3	6.750	140.15	1855.8	210.37
170	±1.30	5.0	25.400	32.356	1453.3	6.702	170.97	2285.3	256.80
170	±1.30	6.0	30.170	38.433	1701.6	6.654	200.18	2701.0	300.91
170	±1.30	8.0	38.969	49.642	2118.2	6.532	249.2	3503.1	381.28
180	±1.40	4.0	21.800	27.70	1422	7.16	158	2210	237
180	±1.40	5.0	27.000	34.40	1737	7.11	193	2724	290
180	±1.40	6.0	32.100	40.80	2037	7.06	226	3223	340
180	±1.40	8.0	41.500	52.80	2546	6.94	283	4189	432
190	±1.50	4.0	23.00	29.30	1680	7.57	176	2607	265
190	±1.50	5.0	28.50	36.40	2055	7.52	216	3216	325
190	±1.50	6.0	33.90	43.20	2413	7.47	254	3807	381
190	±1.50	8.0	44.00	56.00	3208	7.35	319	4958	486
200	±1.60	4.0	24.30	30.90	1968	7.97	197	3049	295
200	±1.60	5.0	30.10	38.40	2410	7.93	241	3763	362
200	±1.60	6.0	35.80	45.60	2833	7.88	283	4459	426
200	±1.60	8.0	46.50	59.20	3566	7.76	357	5815	544
200	±1.60	10	57.00	72.60	4251	7.65	425	7072	651
220	±1.80	5.0	33.2	42.4	3238	8.74	294	5038	442
220	±1.80	6.0	39.6	50.4	3813	8.70	347	5976	521
220	±1.80	8.0	51.5	65.6	4828	8.58	439	7815	668
220	±1.80	10	63.2	80.6	5782	8.47	526	9533	804
220	±1.80	12	73.5	93.7	6487	8.32	590	11149	922
250	±2.00	5.0	38.0	48.4	4805	9.97	384	7443	577
250	±2.00	6.0	45.2	57.6	5672	9.92	454	8843	681
250	±2.00	8.0	59.1	75.2	7229	9.80	578	11598	878
250	±2.00	10	72.7	92.6	8707	9.70	697	14197	1062
250	±2.00	12	84.8	108	9859	9.55	789	16691	1226
280	±2.20	5.0	42.7	54.4	6810	11.2	486	10513	730
280	±2.20	6.0	50.9	64.8	8054	11.1	575	12504	863
280	±2.20	8.0	66.6	84.8	10317	11.0	737	16436	1117
280	±2.20	10	82.1	104.6	12479	10.9	891	20173	1356
280	±2.20	12	96.1	122.5	14232	10.8	1017	23804	1574
300	±2.40	6.0	54.7	69.6	9964	12.0	664	15434	997
300	±2.40	8.0	71.6	91.2	12801	11.8	853	20312	1293
300	±2.40	10	88.4	113	15519	11.7	1035	24966	1572
300	±2.40	12	104	132	17767	11.6	1184	29514	1829
350	±2.80	6.0	64.1	81.6	16008	14.0	915	24683	1372
350	±2.80	8.0	84.2	107	20618	13.9	1182	32557	1787
350	±2.80	10	104	133	25189	13.8	1439	40127	2182
350	±2.80	12	123	156	29054	13.6	1660	47598	2552
400	±3.20	8.0	96.7	123	31269	15.9	1564	48934	2362
400	±3.20	10	120	153	38216	15.8	1911	60431	2892
400	±3.20	12	141	180	44319	15.7	2216	71843	3395
400	±3.20	14	163	208	50414	15.6	2521	82735	3877
450	±3.60	8.0	109	139	44966	18.0	1999	70043	3016
450	±3.60	10	135	173	55100	17.9	2449	86629	3702
450	±3.60	12	160	204	64164	17.7	2851	103150	4357
450	±3.60	14	185	236	73210	17.6	3254	119000	4989
500	±4.00	8.0	122	155	62172	20.0	2487	96483	3750
500	±4.00	10	151	193	76341	19.9	3054	119470	4612
500	±4.00	12	179	228	89187	19.8	3568	142420	5440
500	±4.00	14	207	264	101010	19.7	4080	164530	6241
500	±4.00	16	235	299	114260	19.6	4570	186140	7013

结构用圆型冷弯空心型钢截面尺寸、允许偏差、截面面积、理论重量及截面特性

注:括号内为ISO4019所列规格。

外径D/mm	允许偏差/mm	壁厚t/mm	理论重量M/(kg/m)	截面面积A/cm^2	惯性矩I/cm^4	惯性半径R/cm	弹性模数Z/cm^3	塑性模数S/cm^3	扭转常数J/cm^4	扭转常数C/cm^3	单位长度表面积As/m^2
21.3(21.3)	±0.5	1.2	0.59	0.76	0.38	0.712	0.36	0.49	0.77	0.72	0.067
21.3(21.3)	±0.5	1.5	0.73	0.93	0.46	0.702	0.43	0.59	0.92	0.86	0.067
21.3(21.3)	±0.5	1.75	0.84	1.07	0.52	0.694	0.49	0.67	1.04	0.97	0.067
21.3(21.3)	±0.5	2.0	0.95	1.21	0.57	0.686	0.54	0.75	1.14	1.07	0.067
21.3(21.3)	±0.5	2.5	1.16	1.48	0.66	0.671	0.62	0.89	1.33	1.25	0.067
21.3(21.3)	±0.5	3.0	1.35	1.72	0.74	0.655	0.70	1.01	1.48	1.39	0.067
26.8(26.9)	±0.5	1.2	0.76	0.97	0.79	0.906	0.59	0.79	1.58	1.18	0.084
26.8(26.9)	±0.5	1.5	0.94	1.19	0.96	0.896	0.71	0.96	1.91	1.43	0.084
26.8(26.9)	±0.5	1.75	1.08	1.38	1.09	0.888	0.81	1.1	2.17	1.62	0.084
26.8(26.9)	±0.5	2.0	1.22	1.56	1.21	0.879	0.90	1.23	2.41	1.80	0.084
26.8(26.9)	±0.5	2.5	1.50	1.91	1.42	0.864	1.06	1.48	2.85	2.12	0.084
26.8(26.9)	±0.5	3.0	1.76	2.24	1.61	0.848	1.20	1.71	3.23	2.41	0.084
33.5(33.7)	±0.5	1.5	1.18	1.51	1.93	1.132	1.15	1.54	3.87	2.31	0.105
33.5(33.7)	±0.5	2.0	1.55	1.98	2.46	1.116	1.47	1.99	4.93	2.94	0.105
33.5(33.7)	±0.5	2.5	1.91	2.43	2.94	1.099	1.76	2.41	5.89	3.51	0.105
33.5(33.7)	±0.5	3.0	2.26	2.87	3.37	1.084	2.01	2.80	6.75	4.03	0.105
33.5(33.7)	±0.5	3.5	2.59	3.29	3.76	1.068	2.24	3.16	7.52	4.49	0.105
33.5(33.7)	±0.5	4.0	2.91	3.71	4.11	1.053	2.45	3.50	8.21	4.90	0.105
42.3(42.4)	±0.5	1.5.	1.51	1.92	4.01	1.443	1.89	2.50	8.01	3.79	0.133
42.3(42.4)	±0.5	2.0	1.99	2.53	5.15	1.427	2.44	3.25	10.31	4.87	0.133
42.3(42.4)	±0.5	2.5	2.45	3.13	6.21	1.410	2.94	3.97	12.43	5.88	0.133
42.3(42.4)	±0.5	3.0	2.91	3.70	7.19	1.394	3.40	4.64	14.39	6.80	0.133
42.3(42.4)	±0.5	4.0	3.78	4.81	8.92	1.361	4.22	5.89	17.84	8.44	0.133
48(48.3)	±0.5	1.5	1.72	2.19	5.93	1.645	2.47	3.24	11.86	4.94	0.151
48(48.3)	±0.5	2.0	2.27	2.89	7.66	1.628	3.19	4.23	15.32	6.38	0.151
48(48.3)	±0.5	2.5	2.81	3.57	9.28	1.611	3.86	5.18	18.55	7.73	0.151
48(48.3)	±0.5	3.0	3.33	4.24	10.78	1.594	4.49	6.08	21.57	8.98	0.151
48(48.3)	±0.5	4.0	4.34	5.53	13.49	1.562	5.62	7.77	26.98	11.24	0.151
48(48.3)	±0.5	5.0	5.30	6.75	15.82	1.530	6.59	9.29	31.65	13.18	0.151
60(60.3)	±0.6	2.0	2.86	3.64	15.34	2.052	5.11	6.73	30.68	10.23	0.188
60(60.3)	±0.6	2.5	3.55	4.52	18.70	2.035	6.23	8.27	37.40	12.47	0.188
60(60.3)	±0.6	3.0	4.22	5.37	21.88	2.018	7.29	9.76	43.76	14.58	0.188
60(60.3)	±0.6	4.0	5.52	7.04	27.73	1.985	9.24	12.56	55.45	18.48	0.188
60(60.3)	±0.6	5.0	6.78	8.64	32.94	1.953	10.98	15.17	65.88	21.96	0.188
75.5(76.1)	±0.76	2.5	4.50	5.73	38.24	2.582	10.13	13.33	76.47	20.26	0.237
75.5(76.1)	±0.76	3.0	5.36	6.83	44.97	2.565	11.91	15.78	89.94	23.82	0.237
75.5(76.1)	±0.76	4.0	7.05	8.98	57.59	2.531	15.26	20.47	115.19	30.51	0.237
75.5(76.1)	±0.76	5.0	8.69	11.07	69.15	2.499	18.32	24.89	138.29	36.63	0.237
88.5(88.9)	±0.90	3.0	6.33	8.06	73.73	3.025	16.66	21.94	147.45	33.32	0.278
88.5(88.9)	±0.90	4.0	8.34	10.62	94.99	2.991	21.46	28.58	189.97	42.93	0.278
88.5(88.9)	±0.90	5.0	10.30	13.12	114.72	2.957	25.93	34.90	229.44	51.85	0.278
88.5(88.9)	±0.90	6.0	12.21	15.55	133.00	2.925	30.06	40.91	266.01	60.11	0.278
114(114.3)	±1.15	4.0	10.85	13.82	209.35	3.892	36.73	48.42	418.70	73.46	0.358
114(114.3)	±1.15	5.0	13.44	17.12	254.81	3.858	44.70	59.45	509.61	89.41	0.358
114(114.3)	±1.15	6.0	15.98	20.36	297.73	3.824	52.23	70.06	595.46	104.47	0.358
140(139.7)	±1.40	4.0	13.42	17.09	395.47	4.810	56.50	74.01	790.94	112.99	0.440
140(139.7)	±1.40	5.0	16.65	21.21	483.76	4.776	69.11	91.17	967.52	138.52	0.440
140(139.7)	±1.40	6.0	19.83	25.26	568.03	4.742	85.15	107.81	1136.13	162.30	0.440
165(168.3)	±1.65	4	15.88	20.23	655.94	5.69	79.51	103.71	1311.89	159.02	0.518
165(168.3)	±1.65	5	19.73	25.13	805.04	5.66	97.58	128.04	1610.07	195.16	0.518
165(168.3)	±1.65	6	23.53	29.97	948.47	5.63	114.97	151.76	1896.93	229.93	0.518
165(168.3)	±1.65	8	30.97	39.46	1218.92	5.56	147.75	197.36	2437.84	295.50	0.518
219(219.1)	±2.20	5	26.4	33.60	1928	7.57	176	229	3856	352	0.688
219(219.1)	±2.20	6	31.53	40.17	2282	7.54	208	273	4564	417	0.688
219(219.1)	±2.20	8	41.6	53.10	2960	7.47	270	357	5919	540	0.688
219(219.1)	±2.20	10	51.6	65.70	3598	7.40	328	438	7197	657	0.688
273(273)	±2.75	5	33.0	42.1	3781	9.48	277	359	7562	554	0.858
273(273)	±2.75	6	39.5	50.3	4487	9.44	329	428	8974	657	0.858
273(273)	±2.75	8	52.3	66.6	5852	9.37	429	562	11700	857	0.858
273(273)	±2.75	10	64.9	82.6	7154	9.31	524	692	14310	1048	0.858
325(323.9)	±3.25	5	39.5	50.3	6436	11.32	396	512	12871	792	1.20
325(323.9)	±3.25	6	47.2	60.1	7651	11.28	471	611	15303	942	1.20
325(323.9)	±3.25	8	62.5	79.7	10014	11.21	616	804	20028	1232	1.20
325(323.9)	±3.25	10	77.7	99.0	12287	11.14	756	993	24573	1512	1.20
325(323.9)	±3.25	12	92.6	118.0	14472	11.07	891	1176	28943	1781	1.20
355.6(355.6)	±3.55	6	51.7	65.9	10071	12.4	566	733	20141	1133	1.12
355.6(355.6)	±3.55	8	68.6	87.4	13200	12.3	742	967	26400	1485	1.12
355.6(355.6)	±3.55	10	85.2	109.0	16220	12.2	912	1195	32450	1825	1.12
355.6(355.6)	±3.55	12	101.7	130.0	19140	12.2	1076	1417	38279	2153	1.12
406.4(406.4)	±4.10	8	78.6	100	19870	14.1	978	1270	39750	1956	1.28
406.4(406.4)	±4.10	10	97.8	125	24480	14.0	1205	1572	48950	2409	1.28
406.4(406.4)	±4.10	12	116.7	149	28937	14.0	1424	1867	57874	2848	1.28
457(457)	±4.6	8	88.6	113	28450	15.9	1245	1613	56890	2490	1.44
457(457)	±4.6	10	110.0	140	35090	15.8	1536	1998	70180	3071	1.44
457(457)	±4.6	12	131.7	168	41556	15.7	1819	2377	83113	3637	1.44
508(508)	±5.10	8	98.6	126	39280	17.7	1546	2000	78560	3093	1.60
508(508)	±5.10	10	123.0	156	48520	17.6	1910	2480	97040	3621	1.60
508(508)	±5.10	12	146.8	187	57536	17.5	2265	2953	115072	4530	1.60
610	±6.10	8	118.8	151	68552	21.3	2248	2899	137103	4495	1.92
610	±6.10	10	148.0	189	84847	21.2	2781	3600	169694	5564	1.92
610	±6.10	12.5	184.2	235	104755	21.1	3435	4463	209510	6869	1.92
610	±6.10	16	234.4	299	131782	21.0	4321	5647	263563	8641	1.92

结构用矩型冷弯空心型钢截面尺寸、允许偏差、截面面积、理论重量及截面特性

注：表中理论重量是按密度为7.85g/cm^3计算。

边长/mm		允许偏差/mm	壁厚t/mm	理论重量M/(kg/m)	截面面积A/cm^2	惯性矩/cm^4		惯性半径/cm		截面模数cm^3		扭转常数
H	B	允许偏差/mm	壁厚t/mm	理论重量M/(kg/m)	截面面积A/cm^2	Ix	Iy	rx	ry	Wx	Wy	It/cm^4	Ct/cm^3
30	20	±0.50	1.5	1.06	1.35	1.59	0.84	1.08	0.788	1.06	0.84	1.83	1.40
30	20	±0.50	1.75	1.22	1.55	1.77	0.93	1.07	0.777	1.18	0.93	2.07	1.56
30	20	±0.50	2.0	1.36	1.74	1.94	1.02	1.06	0.765	1.29	1.02	2.29	1.71
30	20	±0.50	2.5	1.64	2.09	2.21	1.15	1.03	0.742	1.47	1.15	2.68	1.95
40	20	±0.50	1.5	1.30	1.65	3.27	1.10	1.41	0.815	1.63	1.10	2.74	1.91
40	20	±0.50	1.75	1.49	1.90	3.68	1.23	1.39	0.804	1.84	1.23	3.11	2.14
40	20	±0.50	2.0	1.68	2.14	4.05	1.34	1.38	0.793	2.02	1.34	3.45	2.36
40	20	±0.50	2.5	2.03	2.59	4.69	1.54	1.35	0.770	2.35	1.54	4.06	2.72
40	20	±0.50	3.0	2.36	3.01	5.21	1.68	1.32	0.748	2.60	1.68	4.57	3.00
40	25	±0.50	1.5	1.41	1.80	3.82	1.84	1.46	1.010	1.91	1.47	4.06	2.46
40	25	±0.50	1.75	1.63	2.07	4.32	2.07	1.44	0.999	2.16	1.66	4.63	2.76
40	25	±0.50	2.0	1.83	2.34	4.77	2.28	1.43	0.988	2.39	1.82	5.17	3.07
40	25	±0.50	2.5	2.23	2.84	5.57	2.64	1.40	0.965	2.79	2.11	6.15	3.59
40	25	±0.50	3.0	2.60	3.31	6.24	2.94	1.37	0.942	3.12	2.35	7.00	4.01
40	30	±0.50	1.5	1.53	1.95	4.38	2.81	1.50	1.199	2.19	1.87	5.52	3.02
40	30	±0.50	1.75	1.77	2.25	4.96	3.17	1.48	1.187	2.48	2.11	6.31	3.42
40	30	±0.50	2.0	1.99	2.54	5.49	3.51	1.47	1.176	2.75	2.34	7.07	3.79
40	30	±0.50	2.5	2.42	3.09	6.45	4.10	1.45	1.153	3.23	2.74	8.47	4.46
40	30	±0.50	3.0	2.83	3.61	7.27	4.60	1.42	1.129	3.63	3.07	9.72	5.03
50	25	±0.50	1.5	1.65	2.10	6.65	2.25	1.78	1.04	2.66	1.80	5.52	3.41
50	25	±0.50	1.75	1.90	2.42	7.55	2.54	1.76	1.024	3.02	2.03	6.32	3.54
50	25	±0.50	2.0	2.15	2.74	8.38	2.81	1.75	1.013	3.35	2.25	7.06	3.92
50	25	±0.50	2.5	2.62	2.34	9.89	3.28	1.72	0.991	3.95	2.62	8.43	4.60
50	25	±0.50	3.0	3.07	3.91	11.17	3.67	1.69	0.969	4.47	2.93	9.64	5.18
50	30	±0.50	1.5	1.767	2.252	7.535	3.415	1.829	1.231	3.014	2.276	7.587	3.83
50	30	±0.50	1.75	2.039	2.598	8.566	3.868	1.815	1.220	3.426	2.579	8.682	4.35
50	30	±0.50	2.0	2.305	2.936	9.535	4.291	1.801	1.208	3.814	2.861	9.727	4.84
50	30	±0.50	2.5	2.817	3.589	11.296	5.050	1.774	1.186	4.518	3.366	11.666	5.72
50	30	±0.50	3.0	3.303	4.206	12.827	5.696	1.745	1.163	5.130	3.797	13.401	6.49
50	30	±0.50	4.0	4.198	5.347	15.239	6.682	1.688	1.117	6.095	4.455	16.244	7.77
50	40	±0.50	1.5	2.003	2.552	9.300	6.602	1.908	1.608	3.720	3.301	12.238	5.24
50	40	±0.50	1.75	2.314	2.948	10.603	7.518	1.896	1.596	4.241	3.759	14.059	5.97
50	40	±0.50	2.0	2.619	3.336	11.840	8.348	1.883	1.585	4.736	4.192	15.817	6.673
50	40	±0.50	2.5	3.210	4.089	14.121	9.976	1.858	1.562	5.648	4.988	19.222	7.965
50	40	±0.50	3.0	3.775	4.808	16.149	11.382	1.833	1.539	6.460	5.691	22.336	9.123
50	40	±0.50	4.0	4.826	6.148	19.493	13.677	1.781	1.492	7.797	6.839	27.82	11.06
55	25	±0.50	1.5	1.767	2.252	8.453	2.460	1.937	1.045	3.074	1.968	6.273	3.458
55	25	±0.50	1.75	2.039	2.598	9.606	2.779	1.922	1.034	3.493	2.223	7.156	3.916
55	25	±0.50	2.0	2.305	2.936	10.689	3.073	1.907	1.023	3.886	2.459	7.992	4.342
55	40	±0.50	1.5	2.121	2.702	11.674	7.158	2.078	1.627	4.245	3.579	14.017	5.794
55	40	±0.50	1.75	2.452	3.123	13.329	8.158	2.065	1.616	4.847	4.079	16.175	6.614
55	40	±0.50	2.0	2.776	3.536	14.904	9.107	2.052	1.604	5.419	4.553	18.208	7.394
55	50	±0.50	1.75	2.726	3.473	15.811	13.660	2.133	1.983	5.749	5.464	23.173	8.415
55	50	±0.50	2.0	3.090	3.936	17.714	15.298	2.121	1.971	6.441	6.119	26.142	9.433
60	30	±0.60	2.0	2.620	3.337	15.046	5.078	2.123	1.234	5.015	3.385	12.57	5.881
60	30	±0.60	2.5	3.209	4.089	17.933	5.998	2.094	1.211	5.977	3.998	15.054	6.981
60	30	±0.60	3.0	3.774	4.808	20.496	6.794	2.064	1.188	6.832	4.529	17.335	7.950
60	30	±0.60	4.0	4.826	6.147	24.691	8.045	2.004	1.143	8.230	5.363	21.141	9.523
60	40	±0.60	2.0	2.934	3.737	18.412	9.831	2.220	1.622	6.137	4.915	20.702	8.116
60	40	±0.60	2.5	3.602	4.589	22.069	11.734	2.192	1.595	7.356	5.867	25.045	9.722
60	40	±0.60	3.0	4.245	5.408	25.374	13.456	2.166	1.576	8.458	6.718	29.121	11.175
60	40	±0.60	4.0	5.451	6.947	30.974	16.269	2.111	1.530	10.324	8.134	36.298	13.653
70	50	±0.60	2.0	3.562	4.537	31.475	18.758	2.634	2.033	8.993	7.503	37.454	12.196
70	50	±0.60	3.0	5.187	6.608	44.046	26.099	2.581	1.987	12.584	10.439	53.426	17.06
70	50	±0.60	4.0	6.710	8.547	54.663	32.210	2.528	1.941	15.618	12.884	67.613	21.189
70	50	±0.60	5.0	8.129	10.356	63.435	37.179	2.171	1.894	18.121	14.871	79.908	24.642
80	40	±0.70	2.0	3.561	4.536	37.355	12.720	2.869	1.674	9.339	6.361	30.881	11.004
80	40	±0.70	2.5	4.387	5.589	45.103	15.255	2.840	1.652	11.275	7.627	37.467	13.283
80	40	±0.70	3.0	5.187	6.608	52.246	17.552	2.811	1.629	13.061	8.776	43.680	15.283
80	40	±0.70	4.0	6.710	8.547	64.780	21.474	2.752	1.585	16.195	10.737	54.787	18.844
80	40	±0.70	5.0	8.129	10.356	75.080	24.267	2.692	1.540	18.770	12.283	64.110	21.744
80	60	±0.70	3.0	6.129	7.808	70.042	44.886	2.995	2.397	17.510	14.962	88.111	24.143
80	60	±0.70	4.0	7.966	10.147	87.945	56.105	2.943	2.351	21.976	18.701	112.583	30.332
80	60	±0.70	5.0	9.699	12.356	103.247	65.634	2.890	2.304	25.811	21.878	134.503	35.673
90	40	±0.75	3.0	5.658	7.208	70.487	19.610	3.127	1.649	15.663	9.805	51.193	17.339
90	40	±0.75	4.0	7.338	9.347	87.894	24.077	3.066	1.604	19.532	12.038	64.320	21.441
90	40	±0.75	5.0	8.914	11.356	102.487	27.651	27.651	3.004	1.560	22.774	13.825	75.426
90	50	±0.75	2.0	4.190	5.337	57.878	23.368	3.293	2.093	12.862	9.347	53.366	15.882
90	50	±0.75	2.5	5.172	6.589	70.263	28.236	3.266	2.070	15.614	11.294	65.299	19.235
90	50	±0.75	3.0	6.129	7.808	81.845	32.735	3.237	2.047	18.187	13.094	76.433	22.316
90	50	±0.75	4.0	7.966	10.147	102.699	40.695	3.181	2.002	22.421	16.278	97.162	27.961
90	50	±0.75	5.0	9.699	12.356	120.570	47.345	3.123	1.957	26.793	18.938	115.436	36.774
90	55	±0.75	2.0	4.346	5.536	61.75	28.957	3.340	2.287	13.733	10.53	62.724	17.601
90	55	±0.75	2.5	5.368	6.839	75.049	33.065	3.313	2.264	16.678	12.751	76.877	21.357
90	60	±0.75	3.0	6.600	8.408	93.203	49.764	3.329	2.432	20.711	16.588	104.552	27.391
90	60	±0.75	4.0	8.594	10.947	117.499	62.387	3.276	2.387	26.111	20.795	133.852	34.501
90	60	±0.75	5.0	10.484	13.356	138.653	73.218	3.222	2.311	30.811	24.406	160.273	40.712
95	50	±0.75	2.0	4.347	5.537	66.084	24.521	3.455	2.104	13.912	9.808	57.458	16.804
95	50	±0.75	2.5	5.369	6.839	80.306	29.647	3.247	2.082	16.906	11.895	70.324	20.364
100	50	±0.80	3.0	6.690	8.408	106.451	36.053	3.558	2.070	21.290	14.421	88.311	25.012
100	50	±0.80	4.0	8.594	10.947	134.124	44.938	3.500	2.026	26.824	17.975	112.409	31.35
100	50	±0.80	5.0	10.484	13.356	158.155	52.429	3.441	1.981	31.631	20.971	113.758	36.804
120	50	±0.90	2.5	6.350	8.089	143.97	36.704	4.219	2.130	23.995	14.682	96.026	26.006
120	50	±0.90	3.0	7.543	9.608	168.58	42.693	4.189	2.108	28.097	17.077	112.87	30.317
120	60	±0.90	3.0	8.013	10.208	189.113	64.398	4.304	2.511	31.581	21.466	156.029	37.138
120	60	±0.90	4.0	10.478	13.347	240.724	81.235	4.246	2.466	40.120	27.078	200.407	47.048
120	60	±0.90	5.0	12.839	16.356	286.941	95.968	4.188	2.422	47.823	31.989	240.869	55.846
120	60	±0.90	6.0	15.097	19.232	327.950	108.716	4.129	2.377	54.658	36.238	277.361	63.597
120	80	±0.90	3.0	8.955	11.408	230.189	123.430	4.491	3.289	38.364	30.857	255.128	50.799
120	80	±0.90	4.0	11.734	11.947	294.569	157.281	4.439	3.243	49.094	39.320	330.438	64.927
120	80	±0.90	5.0	14.409	18.356	353.108	187.747	4.385	3.198	58.850	46.936	400.735	77.772
120	80	±0.90	6.0	16.981	21.632	105.998	214.977	4.332	3.152	67.666	53.744	165.940	83.399
140	80	±1.00	4.0	12.990	16.547	429.582	180.407	5.095	3.301	61.368	45.101	410.713	76.478
140	80	±1.00	5.0	15.979	20.356	517.023	215.914	5.039	3.256	73.860	53.978	498.815	91.834
140	80	±1.00	6.0	18.865	24.032	569.935	247.905	4.983	3.211	85.276	61.976	580.919	105.83
150	100	±1.20	4.0	14.874	18.947	594.585	318.551	5.601	4.110	79.278	63.710	660.613	104.94
150	100	±1.20	5.0	18.334	23.356	719.164	383.988	5.549	4.054	95.888	79.797	806.733	126.81
150	100	±1.20	6.0	21.691	27.632	834.615	444.135	5.495	4.009	111.282	88.827	915.022	147.07
150	100	±1.20	8.0	28.096	35.791	1039.101	519.308	5.388	3.917	138.546	109.861	1147.710	181.85
160	60	±1.20	3	9.898	12.608	389.86	83.915	5.561	2.580	48.732	27.972	228.15	50.14
160	60	±1.20	4.5	14.498	18.469	552.08	116.66	5.468	2.513	69.01	38.886	324.96	70.085
160	80	±1.20	4.0	14.216	18.117	597.691	203.532	5.738	3.348	71.711	50.883	483.129	88.031
160	80	±1.20	5.0	17.519	22.356	721.650	214.089	5.681	3.304	90.206	61.020	599.175	105.9
160	80	±1.20	6.0	20.749	26.433	835.936	286.832	5.623	3.259	104.192	76.208	698.881	122.27
160	80	±1.20	8.0	26.810	33.644	1036.485	343.599	5.505	3.170	129.560	85.899	876.599	149.54
180	65	±1.20	3.0	11.075	14.108	550.35	111.78	6.246	2.815	61.15	34.393	306.75	61.849
180	65	±1.20	4.5	16.264	20.719	784.13	156.47	6.152	2.748	87.125	48.144	438.91	86.993
180	100	±1.30	4.0	16.758	21.317	926.020	373.879	6.586	4.184	102.891	74.755	852.708	127.06
180	100	±1.30	5.0	20.689	26.356	1124.156	451.738	6.530	4.140	124.906	90.347	1012.589	153.88
180	100	±1.30	6.0	24.517	31.232	1309.527	523.767	6.475	4.095	145.503	104.753	1222.933	178.88
180	100	±1.30	8.0	31.861	40.391	1643.149	651.132	6.362	4.002	182.572	130.226	1554.606	222.49
200	100	±1.30	4.0	18.014	22.941	1199.680	410.261	7.230	4.230	119.968	82.152	948.151	141.81
200	100	±1.30	5.0	22.259	28.356	1459.270	496.905	7.173	4.186	145.920	99.381	1203.878	171.94
200	100	±1.30	6.0	26.101	33.632	1703.224	576.855	7.116	4.141	170.322	115.371	1412.986	200.1
200	100	±1.30	8.0	34.376	43.791	2145.993	719.014	7.000	4.052	214.599	143.802	1789.551	249.6
200	120	±1.40	4.0	19.3	24.5	1353	618	7.43	5.02	135	103	1345	172
200	120	±1.40	5.0	23.8	30.4	1649	750	7.37	4.97	165	125	1652	210
200	120	±1.40	6.0	28.3	36.0	1929	874	7.32	4.93	193	146	1947	245
200	120	±1.40	8.0	36.5	46.4	2386	1079	7.17	4.82	239	180	2507	308
200	150	±1.50	4.0	21.2	26.9	1584	1021	7.67	6.16	158	136	1942	219
200	150	±1.50	5.0	26.2	33.4	1935	1245	7.62	6.11	193	166	2391	267
200	150	±1.50	6.0	31.1	39.6	2268	1457	7.56	6.06	227	194	2826	312
200	150	±1.50	8.0	40.2	51.2	2892	1815	7.43	5.95	283	242	3664	396
220	140	±1.50	4.0	21.8	27.7	1892	948	8.26	5.84	172	135	1987	224
220	140	±1.50	5.0	27.0	34.4	2313	1155	8.21	5.80	210	165	2447	274
220	140	±1.50	6.0	32.1	40.8	2714	1352	8.15	5.75	247	193	2891	321
220	140	±1.50	8.0	41.5	52.8	3389	1685	8.01	5.65	308	241	3746	407
250	150	±1.60	4.0	24.3	30.9	2697	1234	9.34	6.32	216	165	2665	275
250	150	±1.60	5.0	30.1	38.4	3304	1508	9.28	6.27	264	201	3285	337
250	150	±1.60	6.0	35.8	45.6	3886	1768	9.23	6.23	311	236	3886	396
250	150	±1.60	8.0	46.5	59.2	4886	2219	9.08	6.12	391	296	5050	504
260	180	±1.80	5.0	33.2	42.4	4121	2350	9.86	7.45	317	261	4695	426
260	180	±1.80	6.0	39.6	50.4	4856	2763	9.81	7.40	374	307	5566	501
260	180	±1.80	8.0	51.5	65.6	6145	3493	9.68	7.29	473	388	7267	642
260	180	±1.80	10	63.2	80.6	7363	4174	9.56	7.20	566	646	8850	772
300	200	±2.00	5.0	38.0	48.4	6241	3361	11.4	8.34	416	336	6836	552
300	200	±2.00	6.0	45.2	57.6	7370	3962	11.3	8.29	491	396	8115	651
300	200	±2.00	8.0	59.1	75.2	9389	5042	11.2	8.19	626	504	10627	838
300	200	±2.00	10	72.7	92.6	11313	6058	11.1	8.09	754	606	12987	1012
350	250	±2.20	5.0	45.8	58.4	10520	6306	13.4	10.4	601	504	12234	817
350	250	±2.20	6.0	54.7	69.6	12547	7458	13.4	10.3	712	594	14554	967
350	250	±2.20	8.0	71.6	91.2	16001	9573	13.2	10.2	914	766	19136	1253
350	250	±2.20	10	88.4	113	19407	11588	13.1	10.1	1109	927	23500	1522
400	200	±2.40	5.0	45.8	58.4	12490	4311	14.6	8.60	624	431	10519	742
400	200	±2.40	6.0	54.7	69.6	14789	5092	14.5	8.55	739	509	12069	877
400	200	±2.40	8.0	71.6	91.2	18947	6517	14.4	8.45	949	652	15820	1133
400	200	±2.40	10	88.4	113	23003	7864	14.3	8.36	1150	786	19368	1373
400	200	±2.40	12	104	132	26248	8977	14.1	8.24	1312	898	22782	1591
400	250	±2.60	5.0	49.7	63.4	14440	7056	15.1	10.6	722	565	14773	937
400	250	±2.60	6.0	59.4	75.6	17118	8352	15.0	10.5	856	668	17580	1110
400	250	±2.60	8.0	77.9	99.2	22048	10744	14.9	10.4	1102	860	23127	1440
400	250	±2.60	10	96.2	122	26806	13029	14.8	10.3	1340	1042	28423	1753
400	250	±2.60	12	113	144	30766	14926	14.6	10.2	1538	1197	33597	2042
450	250	±2.80	6.0	64.1	81.6	22724	9245	16.7	10.6	1010	740	20687	1253
450	250	±2.80	8.0	84.2	107	29336	11916	16.5	10.5	1304	953	27222	1628
450	250	±2.80	10	104	133	35737	14470	16.4	10.4	1588	1158	33473	1983
450	250	±2.80	12	123	156	41137	16663	16.2	10.3	1828	1333	39591	2314
500	300	±3.20	6.0	73.5	93.6	33012	15151	18.8	12.7	1321	1010	32420	1688
500	300	±3.20	8.0	96.7	123	42805	19624	18.6	12.6	1712	1308	42767	2202
500	300	±3.20	10	120	153	52328	23933	18.5	12.5	2093	1596	52736	2693
500	300	±3.20	12	141	180	60604	27726	18.3	12.4	2424	1848	62581	3156
550	350	±3.60	8.0	109	139	59783	30040	20.7	14.7	2174	1717	63051	2856
550	350	±3.60	10	135	173	73276	36752	20.6	14.6	2665	2100	77901	3503
550	350	±3.60	12	160	204	85249	42769	20.4	14.5	3100	2444	92646	4118
550	350	±3.60	14	185	236	97269	48731	20.3	14.4	3537	2784	106760	4710
600	400	±4.00	8.0	122	155	80670	43564	22.8	16.8	2689	2178	88672	3591
600	400	±4.00	10	151	193	99081	53429	22.7	16.7	3303	2672	109720	4413
600	400	±4.00	12	179	228	115670	62391	22.5	16.5	3856	3120	130680	5201
600	400	±4.00	14	207	264	132310	71282	22.4	16.4	4410	3564	150850	5962
600	400	±4.00	16	235	299	148210	79760	22.3	16.3	4940	3988	170510	6694

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