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通用冷弯开口型钢(摘自GB/T 6723)

通用冷弯开口型钢(摘自GB/T 6723-2017)

冷弯等边角钢

冷弯等边角钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规    格

尺寸/mm

理论质量

/(kg/m)

截面面积

/cm2

重心Y0

/cm

惯性矩/cm4

回转半径/cm

截面系数/cm3

b×b×t

b

t

IX＝IY

Iu

Iv

rx＝ry

ru

rv

Wymax＝

Wxmax

Wymin＝

Wxmin

20×20×1.2

20

1.2

0.354

0.451

0.559

0.179

0.292

0.066

0.630

0.804

0.385

0.321

0.124

20×20×2.0

2.0

0.566

0.721

0.599

0.278

0.457

0.099

0.621

0.796

0.371

0.464

0.198

30×30×1.6

30

1.6

0.714

0.909

0.829

0.817

1.328

0.307

0.948

1.208

0.581

0.986

0.376

30×30×2.0

2.0

0.880

1.121

0.849

0.998

1.626

0.369

0.943

1.204

0.573

1.175

0.464

30×30×3.0

3.0

1.274

1.623

0.898

1.409

2.316

0.503

0.931

1.194

0.556

1.568

0.671

40×40×1.6

40

1.6

0.965

1.229

1.079

1.985

3.213

0.758

1.270

1.616

0.785

1.839

0.679

40×40×2.0

2.0

1.194

1.521

1.099

2.438

3.956

0.919

1.265

1.612

0.777

2.218

0.840

40×40×2.5

2.5

1.47

1.87

1.132

2.96

4.85

1.07

1.26

1.61

0.76

2.62

1.03

40×40×3.0

3.0

1.745

2.223

1.148

3.496

5.710

1.282

1.253

1.602

0.759

3.043

1.226

50×50×2.0

50

2.0

1.508

1.921

1.349

4.848

7.845

1.850

1.588

2.020

0.981

3.593

1.327

50×50×2.5

2.5

1.86

2.37

1.381

5.93

9.65

2.20

1.58

2.02

0.96

4.29

1.64

50×50×3.0

3.0

2.216

2.823

1.398

7.015

11.414

2.616

1.576

2.010

0.962

5.015

1.948

50×50×4.0

4.0

2.894

3.686

1.448

9.022

14.755

3.290

1.564

2.000

0.944

6.229

2.540

60×60×2.0

60

2.0

1.822

2.321

1.599

8.478

13.694

3.262

1.910

2.428

1.185

5.302

1.926

60×60×2.5

2.5

2.25

2.87

1.630

10.41

16.90

3.91

1.90

2.43

1.17

6.38

2.38

60×60×3.0

3.0

2.687

3.423

1.648

12.342

20.028

4.657

1.898

2.418

1.166

7.486

2.836

60×60×4.0

4.0

3.522

4.486

1.698

15.970

26.030

5.911

1.886

2.408

1.147

9.403

3.712

70×70×3.0

70

3.0

3.158

4.023

1.898

19.853

32.152

7.553

2.221

2.826

1.370

10.456

3.891

70×70×4.0

4.0

4.150

5.286

1.948

25.799

41.944

9.654

2.209

2.816

1.351

13.242

5.107

75×75×2.5

75

2.5

2.84

3.62

2.005

20.65

33.43

7.87

2.39

3.04

1.48

10.30

3.76

75×75×3.0

3.0

3.39

4.31

2.031

24.47

39.70

9.23

2.38

3.03

1.46

12.05

4.47

80×80×4.0

80

4.0

4.778

6.086

2.198

39.009

63.299

14.719

2.531

3.224

1.555

17.745

6.723

80×80×5.0

5.0

5.895

7.510

2.247

47.677

77.622

17.731

2.519

3.214

1.536

21.209

8.288

100×100×4.0

100

4.0

6.034

7.686

2.698

77.571

125.528

29.613

3.176

4.041

1.962

28.749

10.623

100×100×5.0

5.0

7.465

9.510

2.747

95.237

154.539

35.335

3.164

4.031

1.943

34.659

13.132

150×150×6.0

150

6.0

13.458

17.254

4.062

391.442

635.468

147.415

4.763

6.069

2.923

96.367

35.787

150×150×8.0

8.0

17.685

22.673

4.169

508.593

830.207

186.979

4.736

6.051

2.872

121.994

46.957

150×150×10

10

21.783

27.927

4.277

619.211

1016.638

221.785

4.709

6.034

2.818

144.777

57.746

200×200×6.0

200

6.0

18.138

23.254

5.310

945.753

1529.328

362.177

6.377

8.110

3.947

178.108

64.381

200×200×8.0

8.0

23.925

30.673

5.416

1237.149

2008.393

465.905

6.351

8.091

3.897

228.425

84.829

200×200×10

10

29.583

37.927

5.522

1516.787

2472.471

561.104

6.324

8.074

3.846

274.681

104.765

250×250×8.0

250

8.0

30.164

38.672

6.664

2453.559

3970.580

936.538

7.965

10.133

4.921

368.181

133.811

250×250×10

10

37.383

47.927

6.770

3020.384

4903.304

1137.464

7.939

10.114

4.872

446.142

165.682

250×250×12

12

44.472

57.015

6.876

3568.836

5812.612

1325.061

7.912

10.097

4.821

519.028

196.912

300×300×10

300

10

45.183

57.927

8.018

5286.52

8559.138

2013.367

9.553

12.155

5.896

659.298

240.481

300×300×12

12

53.832

69.015

8.124

6263.069

10167.49

2358.645

9.526

12.138

5.846

770.934

286.299

300×300×14

14

62.022

79.516

8.277

7182.256

11740.00

2624.502

9.504

12.150

5.745

867.737

330.629

300×300×16

16

70.312

90.144

8.392

8095.516

13279.70

2911.336

9.477

12.137

5.683

964.671

374.654
冷弯不等边角钢

冷弯不等边角钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规　 格

尺寸/mm

理论重量

/(kg/m)

截面面积

/cm2

重心/cm

惯性矩/cm4

B×b×t

B

b

t

Y0

X0

Ix

Iy

Iu

Iv

30×20×2.0

30

20

2.0

0.723

0.921

1.011

0.490

0.860

0.318

1.014

0.164

30×20×3.0

3.0

1.039

1.323

1.068

0.536

1.201

0.441

1.421

0.220

50×30×2.5

50

30

2.5

1.473

1.877

1.706

0.674

4.962

1.419

5.597

0.783

50×30×4.0

4.0

2.266

2.886

1.794

0.741

7.419

2.104

8.395

1.128

60×40×2.5

60

40

2.5

1.866

2.377

1.939

0.913

9.078

3.376

10.665

1.790

60×40×4.0

4.0

2.894

3.686

2.023

0.981

13.774

5.091

16.239

2.625

70×40×3.0

70

40

3.0

2.452

3.123

2.402

0.861

16.301

4.142

18.092

2.351

70×40×4.0

4.0

3.208

4.086

2.461

0.905

21.038

5.317

23.381

2.973

80×50×3.0

80

50

3.0

2.923

3.723

2.631

1.096

25.450

8.086

29.092

4.444

80×50×4.0

4.0

3.836

4.886

2.688

1.141

33.025

10.449

37.810

5.664

100×60×3.0

100

60

3.0

3.629

4.623

3.297

1.259

49.787

14.347

56.038

8.096

100×60×4.0

4.0

4.778

6.086

3.354

1.304

64.939

18.640

73.177

10.402

100×60×5.0

5.0

5.895

7.510

3.412

1.349

79.395

22.707

89.566

12.536

150×120×6.0

150

120

6.0

12.054

15.454

4.500

2.962

362.949

211.071

475.645

98.375

150×120×8.0

8.0

15.813

20.273

4.615

3.064

470.343

273.077

619.416

124.003

150×120×10

10

19.443

24.927

4.732

3.167

571.010

331.066

755.971

146.15

200×160×8.0

200

160

8.0

21.429

27.473

6.000

3.950

1147.099

667.089

1503.275

310.914

200×160×10

10

24.463

33.927

6.115

4.051

1403.661

815.267

1846.212

372.716

200×160×12

12

31.368

40.215

6.231

4.154

1648.244

956.261

2176.288

428.217

250×220×10

250

220

10

35.043

44.927

7.188

5.652

2894.335

2122.346

4102.990

913.691

250×220×12

12

41.664

53.415

7.299

5.756

3417.040

2504.222

4859.116

1062.097

250×220×14

14

47.826

61.316

7.466

5.904

3895.841

2856.311

5590.119

1162.033

300×260×12

300

260

12

50.088

64.215

8.686

6.638

5970.485

4218.566

8347.648

1841.403

300×260×14

14

57.654

73.916

8.851

6.782

6835.520

4831.275

9625.709

2041.085

300×260×16

16

65.320

83.744

8.972

6.894

7697.062

5438.329

10876.951

2258.440

规　 格

回转半径/cm

截面系数/cm3

B×b×t

rx

ry

ru

rv

Wx max

Wx min

Wy max

Wy min

30×20×2.0

0.966

0.587

1.049

0.421

0.850

0.432

0.648

0.210

30×20×3.0

0.952

0.577

1.036

0.408

1.123

0.621

0.823

0.301

50×30×2.5

1.625

0.869

1.726

0.645

2.907

1.506

2.103

0.610

50×30×4.0

1.603

0.853

1.705

0.625

4.134

2.314

2.838

0.931

60×40×2.5

1.954

1.191

2.117

0.867

4.682

2.235

3.694

1.094

60×40×4.0

1.932

1.175

2.098

0.843

6.807

3.463

5.184

1.686

70×40×3.0

2.284

1.151

2.406

0.867

6.785

3.545

4.810

1.319

70×40×4.0

2.268

1.140

2.391

0.853

8.546

4.635

5.872

1.718

80×50×3.0

2.614

1.473

2.795

1.092

9.670

4.740

7.371

2.071

80×50×4.0

2.599

1.462

2.781

1.076

12.281

6.218

9.151

2.708

100×60×3.0

3.281

1.761

3.481

1.323

15.100

7.427

11.389

3.026

100×60×4.0

3.266

1.749

3.467

1.307

19.356

9.772

14.289

3.969

100×60×5.0

3.251

1.738

3.453

1.291

23.263

12.053

16.830

4.882

150×120×6.0

4.846

3.696

5.548

2.532

80.655

34.567

71.260

23.354

150×120×8.0

4.817

3.670

5.528

2.473

101.916

45.291

89.124

30.559

150×120×10

4.786

3.644

5.507

2.421

120.670

55.611

104.536

37.481

200×160×8.0

6.462

4.928

7.397

3.364

191.183

81.936

168.883

55.360

200×160×10

6.432

4.902

7.377

3.314

229.544

101.092

201.251

68.229

200×160×12

6.402

4.876

7.356

3.263

264.523

119.707

230.202

80.724

250×220×10

8.026

6.873

9.556

4.510

402.662

162.494

375.504

129.823

250×220×12

7.998

6.847

9.538

4.459

468.151

193.042

435.063

154.163

250×220×14

7.971

6.825

9.548

4.353

521.811

222.188

483.793

177.455

300×260×12

9.642

8.105

11.402

5.355

687.369

280.120

635.517

217.879

300×260×14

9.616

8.085

11.412

5.255

772.288

323.208

712.367

251.393

300×260×16

9.587

8.059

11.397

5.193

857.898

366.039

788.850

284.640

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
冷弯等边槽钢

冷弯等边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规  格

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm2

重心

X0

/cm

惯性矩/cm4

回转半径/cm

截面系数/cm3

H×B×t

H

B

t

Ix

Iy

rx

ry

Wx

Wy max

Wy min

20×10×1.5

20

10

1.5

0.401

0.511

0.324

0.281

0.047

0.741

0.305

0.281

0.146

0.070

20×10×2.0

2.0

0.505

0.643

0.349

0.330

0.058

0.716

0.300

0.330

0.165

0.089

50×30×2.0

50

30

2.0

1.604

2.043

0.922

8.093

1.872

1.990

0.957

3.237

2.029

0.901

50×30×3.0

3.0

2.314

2.947

0.975

11.119

2.632

1.942

0.994

4.447

2.699

1.299

50×50×3.0

50

3.0

3.256

4.147

1.850

17.755

10.834

2.069

1.616

7.102

5.855

3.440

60×30×2.5

60

30

2.5

2.15

2.74

0.883

14.38

2.40

2.31

0.94

4.89

2.71

1.13

80×40×2.5

80

40

2.5

2.94

3.74

1.132

36.70

5.92

3.13

1.26

9.18

5.23

2.06

80×40×3.0

3.0

3.48

4.34

1.109

42.66

6.93

3.10

1.25

10.67

5.98

2.44

100×40×2.5

100

40

2.5

3.33

4.24

1.013

62.07

6.37

3.83

1.23

12.41

6.29

2.13

100×40×3.0

3.0

3.95

5.03

1.039

72.44

7.47

3.80

1.22

14.49

7.19

2.52

100×50×3.0

100

50

3.0

4.433

5.647

1.398

87.275

14.030

3.931

1.576

17.455

10.031

3.896

100×50×4.0

4.0

5.788

7.373

1.448

111.051

18.045

3.880

1.564

22.210

12.458

5.081

120×40×2.5

120

40

2.5

3.72

4.74

0.919

95.92

6.72

4.50

1.19

15.99

7.32

2.18

120×40×3.0

3.0

4.42

5.63

0.944

112.8

7.90

4.47

1.19

18.71

8.37

2.58

140×50×3.0

140

50

3.0

5.36

6.83

1.187

191.53

15.52

5.30

1.51

27.36

13.08

4.07

140×50×3.5

3.5

6.20

7.89

1.211

218.88

17.79

5.27

1.50

31.27

14.69

4.70

140×60×3.0

140

60

3.0

5.846

7.447

1.527

220.977

25.929

5.447

1.865

31.568

16.970

5.798

140×60×4.0

4.0

7.672

9.773

1.575

284.429

33.601

5.394

1.854

40.632

21.324

7.594

140×60×5.0

5.0

9.436

12.021

1.623

343.066

40.823

5.342

1.842

49.009

25.145

9.327

160×60×3.0

160

60

3.0

6.30

8.03

1.432

300.87

26.90

6.12

1.83

37.61

18.79

5.89

160×60×3.5

3.5

7.20

9.29

1.456

344.94

30.92

6.09

1.82

43.12

21.23

6.81

200×80×4.0

200

80

4.0

10.812

13.773

1.966

821.120

83.686

7.721

2.464

82.112

42.564

13.869

200×80×5.0

5.0

13.361

17.021

2.013

1000.710

102.441

7.667

2.453

100.071

50.886

17.111

200×80×6.0

6.0

15.849

20.190

2.060

1170.516

120.388

7.614

2.441

117.051

58.436

20.267

250×130×6.0

250

130

6.0

22.703

29.107

3.630

2876.401

497.071

9.941

4.132

230.112

136.934

53.049

250×130×8.0

8.0

29.755

38.147

3.739

3687.729

642.760

9.832

4.105

295.018

171.907

69.405

300×150×6.0

300

150

6.0

26.915

34.507

4.062

4911.518

782.884

11.930

4.763

327.435

192.734

71.575

300×150×8.0

8.0

35.371

45.347

4.169

6337.148

1017.186

11.822

4.736

422.477

243.988

93.914

300×150×10

10

43.566

55.854

4.277

7660.498

1238.423

11.711

4.708

510.700

289.554

115.492

350×180×8.0

350

180

8.0

42.235

54.147

4.983

10488.540

1771.765

13.918

5.721

599.345

355.562

136.112

350×180×10

10

52.146

66.854

5.092

12749.074

2166.713

13.809

5.693

728.519

425.513

167.858

350×180×12

12

61.799

79.230

5.501

14869.892

2542.823

13.700

5.665

849.708

462.247

203.442

400×200×10

400

200

10

59.166

75.854

5.522

18932.658

3033.575

15.799

6.324

946.633

549.362

209.530

400×200×12

12

70.223

90.030

5.630

22159.727

3569.548

15.689

6.297

1107.986

634.022

248.403

400×200×14

14

80.366

103.033

5.791

24854.034

4051.828

15.531

6.271

1242.702

699.677

285.159

450×220×10

450

220

10

66.186

84.854

5.956

26844.416

4103.714

17.787

6.954

1193.085

689.005

255.779

450×220×12

12

78.647

100.830

6.063

31506.135

4838.741

17.676

6.927

1400.273

798.077

303.617

450×220×14

14

90.194

115.633

6.219

35494.843

5510.415

17.520

6.903

1577.549

886.061

349.180

500×250×12

500

250

12

88.943

114.030

6.876

44593.265

7137.673

19.775

7.912

1783.731

1038.056

393.824

500×250×14

14

102.206

131.033

7.032

50455.689

8152.938

19.623

7.888

2018.228

1159.405

453.748

550×280×12

550

280

12

99.239

127.230

7.691

60862.568

10068.396

21.872

8.896

2213.184

1309.114

495.760

550×280×14

14

114.218

146.433

7.846

69095.642

11527.579

21.722

8.873

2512.569

1469.230

571.975

600×300×14

600

300

14

124.046

159.033

8.276

89412.972

14364.512

23.711

9.504

2980.432

1735.683

661.228

600×300×16

16

140.624

180.287

8.392

100367.430

16191.032

23.595

9.477

3345.581

1929.341

749.307
冷弯不等边槽钢

冷弯不等边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规  格

尺寸/mm

理论重量

/(kg/m)

截面面积

/cm2

重心/cm

惯性矩/cm4

H×B×b×t

H

B

b

t

X0

Y0

Ix

Iy

Iu

Iv

50×32×20×2.5

50

32

20

2.5

1.840

2.344

0.817

2.803

8.536

1.853

8.769

1.619

50×32×20×3.0

3.0

2.169

2.764

0.842

2.806

9.804

2.155

10.083

1.876

80×40×20×2.5

80

40

20

2.6

2.586

3.294

0.828

4.588

28.922

3.775

29.607

3.090

80×40×20×3.0

3.0

3.064

3.904

0.852

4.591

33.654

4.431

34.473

3.611

100×60×30×3.0

100

50

30

3.0

4.242

5.404

1.326

5.807

77.936

14.880

80.845

11.970

150×60×50×3.0

150

50

5.890

7.504

1.304

7.793

245.876

21.452

246.257

21.071

200×70×60×4.0

200

70

60

4.0

9.832

12.605

1.469

10.311

706.995

47.735

707.582

47.149

200×70×60×5.0

5.0

12.061

15.463

1.527

10.315

848.963

57.959

849.689

57.233

250×80×70×5.0

250

80

70

5.0

14.791

18.963

1.647

12.823

1616.200

92.101

1617.030

91.271

250×80×70×6.0

6.0

17.555

22.507

1.696

12.825

1891.478

108.125

1892.465

107.139

300×90×80×6.0

300

90

80

6.0

20.831

26.707

1.822

15.330

3222.869

161.726

3223.981

160.613

300×90×80×8.0

8.0

27.259

34.947

1.918

15.334

4115.825

207.555

4117.270

206.110

350×100×90×6.0

350

100

90

6.0

24.107

30.907

1.953

17.834

5064.502

230.463

5065.739

229.226

350×100×90×8.0

8.0

31.627

40.547

2.048

17.837

6506.423

297.082

6508.041

295.464

400×150×100×8.0

400

160

100

8.0

38.491

49.347

2.882

21.589

10787.704

763.610

10843.850

707.463

400×150×100×10

10

47.466

60.854

2.981

21.602

13071.444

931.170

13141.358

861.255

400×200×150×10

450

200

150

10

59.166

75.854

4.402

23.950

22328.149

2337.132

22430.862

2234.420

400×200×150×12

12

70.223

90.030

4.504

23.960

26133.270

2750.039

26256.075

2627.235

500×250×200×12

500

250

200

12

84.263

108.030

6.008

26.355

40821.990

5579.208

40985.443

5415.752

500×250×200×14

14

96.746

124.033

6.159

26.371

46087.838

6369.068

46277.561

6179.346

550×300×250×14

550

300

250

14

113.126

145.033

7.714

28.794

67847.216

11314.348

68086.256

11075.308

550×300×250×16

16

128.144

164.287

7.831

28.800

76016.861

12738.984

76288.341

12467.503

名 称

回转半径/cm

截面系数/cm3

H×B×b×t

rx

ry

ru

rv

Wx max

Wx min

Wy max

Wy min

50×32×20×2.5

1.908

0.889

1.934

0.831

3.887

3.044

2.266

0.777

50×32×20×3.0

1.883

0.883

1.909

0.823

4.468

3.494

2.559

0.914

80×40×20×2.5

2.962

1.070

2.997

0.968

8.476

6.303

4.555

1.190

80×40×20×3.0

2.936

1.065

2.971

0.961

9.874

7.329

5.200

1.407

100×60×30×3.0

3.797

1.659

3.867

1.488

18.590

13.419

11.220

3.183

150×60×50×3.0

5.724

1.690

5.728

1.675

34.120

31.547

16.440

4.569

200×70×60×4.0

7.489

1.946

7.492

1.934

72.969

68.567

32.495

8.630

200×70×60×5.0

7.410

1.936

7.413

1.924

87.658

82.304

37.956

10.590

250×80×70×5.0

9.232

2.204

9.234

2.194

132.726

126.039

55.920

14.497

250×80×70×6.0

9.167

2.192

9.170

2.182

155.358

147.484

63.753

17.152

300×90×80×6.0

10.986

2.461

10.987

2.452

219.691

210.233

88.763

22.531

300×90×80×8.0

10.852

2.437

10.854

2.429

280.637

268.412

108.214

29.307

350×100×90×6.0

12.801

2.731

12.802

2.723

295.031

283.980

118.005

28.640

350×100×90×8.0

12.668

2.707

12.669

2.699

379.096

364.771

145.060

37.359

400×150×100×8.0

14.786

3.934

14.824

3.786

585.938

499.685

264.958

63.015

400×150×100×10

14.656

3.912

14.695

3.762

710.482

605.103

312.368

77.475

400×200×150×10

17.157

5.551

17.196

5.427

1060.720

932.282

530.925

149.835

400×200×150×12

17.037

5.527

17.077

5.402

1242.076

1090.704

610.577

177.468

500×250×200×12

19.439

7.186

19.478

7.080

1726.453

1548.928

928.630

293.766

500×250×200×14

19.276

7.166

19.306

7.058

1950.478

1747.671

1034.107

338.043

550×300×250×14

21.629

8.832

21.667

8.739

2588.995

2356.297

1466.729

507.689

550×300×250×16

21.511

8.806

21.549

8.711

2901.407

2639.474

1626.738

574.631

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
冷弯内卷边槽钢

冷弯内卷边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规  格

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm2

重心

/cm

惯性矩

/cm4

回转半径

/cm

截面模数

/cm3

H×B×C×t

H

B

C

t

X0

Ix

Iy

rx

ry

Wx

Wy max

Wy min

60×30×10×2.5

60

30

10

2.5

2.363

3.010

1.043

16.009

3.353

2.306

1.055

5.336

3.214

1.713

60×30×10×3.0

3.0

2.743

3.495

1.036

18.077

3.688

2.274

1.027

6.025

3.559

1.878

80×40×15×2.0

80

40

15

2.0

2.72

3.47

1.452

34.16

7.79

3.14

1.50

8.54

5.36

3.06

100×50×15×2.5

100

50

15

2.5

4.11

5.23

1.706

81.34

17.19

3.94

1.81

16.27

10.08

5.22

100×50×20×2.5

100

50

20

2.5

4.325

5.510

1.853

84.932

19.889

3.925

1.899

16.986

10.730

6.321

100×50×20×3.0

3.0

5.098

6.495

1.848

98.560

22.802

3.895

1.873

19.712

12.333

7.235

120×50×20×2.5

120

50

20

2.5

4.70

5.98

1.706

129.40

20.96

4.56

1.87

21.57

12.28

6.36

120×60×20×3.0

120

60

20

3.0

6.01

7.65

2.106

170.68

37.36

4.72

2.21

28.45

17.74

9.59

140×50×20×2.0

140

50

20

2.0

4.14

5.27

1.590

154.03

18.56

5.41

1.88

22.00

11.68

5.44

140×50×20×2.5

140

50

20

2.5

5.09

6.48

1.580

186.78

22.11

5.39

1.85

26.68

13.96

6.47

140×60×20×2.5

140

60

20

2.5

5.503

7.010

1.974

212.137

34.786

5.500

2.227

30.305

17.615

8.642

140×60×20×3.0

3.0

6.511

8.295

1.969

248.006

40.132

5.467

2.199

35.429

20.379

9.956

160×60×20×2.0

160

60

20

2.0

4.76

6.07

1.850

236.59

29.99

6.24

2.22

29.57

16.19

7.23

160×60×20×2.5

2.5

5.87

7.48

1.850

288.13

35.90

6.21

2.19

36.02

19.47

8.66

160×70×20×3.0

160

70

20

3.0

7.42

9.45

2.224

373.64

60.42

6.29

2.53

46.71

27.17

12.65

180×60×20×3.0

180

60

20

3.0

7.453

9.495

1.739

449.695

43.611

6.881

2.143

49.966

25.073

10.235

180×70×20×3.0

70

7.924

10.095

2.106

496.693

63.712

7.014

2.512

55.188

30.248

13.019

180×70×20×2.0

180

70

20

2.0

5.39

6.87

2.110

343.93

45.18

7.08

2.57

38.21

21.37

9.25

180×70×20×2.5

180

70

20

2.5

6.66

9.48

2.110

420.20

54.42

7.04

2.53

46.69

25.82

11.12

200×60×20×3.0

200

60

20

3.0

7.924

10.095

1.644

578.425

45.041

7.569

2.112

57.842

27.382

10.342

200×70×20×2.5

200

70

20

2.5

7.05

8.98

2.000

538.21

56.27

7.74

2.50

53.82

28.18

11.25

200×70×20×3.0

3.0

8.395

10.695

1.996

636.643

65.883

7.715

2.481

63.664

32.999

13.167

220×75×20×2.0

220

75

20

2.0

6.18

7.87

2.080

574.45

56.88

8.54

2.69

52.22

27.35

10.50

220×75×20×2.5

220

75

20

2.5

7.64

9.73

2.070

703.76

68.66

8.50

2.66

63.98

33.11

12.56

250×40×15×3.0

250

40

15

3.0

7.924

10.095

0.790

773.495

14.809

8.753

1.211

61.879

18.734

4.614

300×40×15×3.0

300

40

9.102

11.595

0.707

1231.616

15.356

10.306

1.150

82.107

21.700

4.664

400×50×15×3.0

400

50

11.928

15.195

0.783

2837.843

28.888

13.666

1.378

141.892

36.879

6.851

450×70×30×6.0

450

70

30

6.0

28.092

36.015

1.421

8796.963

159.703

15.629

2.106

390.976

112.388

28.626

450×70×30×8.0

8.0

36.421

46.693

1.429

11030.645

182.734

15.370

1.978

490.251

127.875

32.801

500×100×40×6.0

500

100

40

6.0

34.176

43.815

2.297

14275.246

479.809

18.050

3.309

571.010

208.885

62.289

500×100×40×8.0

8.0

44.533

57.093

2.293

18150.796

578.026

17.830

3.182

726.032

252.083

75.000

500×100×40×10

10

54.372

69.708

2.289

21594.366

648.778

17.601

3.051

863.775

283.433

84.137

550×120×50×8.0

550

120

50

8.0

51.397

65.893

2.940

26259.069

1069.797

19.963

4.029

954.875

363.877

118.079

550×120×50×10

10

62.952

80.708

2.933

31484.498

1229.103

19.751

3.902

1144.891

419.060

135.558

550×120×50×12

12

73.990

94.859

2.926

36186.756

1349.879

19.531

3.772

1315.882

461.339

148.763

600×150×60×12

600

150

60

12

86.158

110.459

3.902

54745.539

2755.348

21.852

4.994

1824.851

706.137

248.274

600×150×60×14

14

97.395

124.865

3.840

57733.224

2867.742

21.503

4.792

1924.441

746.808

256.966

600×150×60×16

16

109.025

139.775

3.819

63178.379

3010.816

21.260

4.641

2105.946

788.378

269.280
冷弯外卷边槽钢

冷弯外卷边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

名 称

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm2

重心

/cm

惯性矩

/cm4

回转半径

/cm

截面系数

/cm3

H×B×C×t

H

B

C

t

X0

Ix

Iy

rx

ry

Wx

Wy max

Wy min

30×30×16×2.5

30

30

16

2.5

2.009

2.560

1.526

6.010

3.126

1.532

1.105

2.109

2.047

2.122

50×20×15×3.0

50

20

15

3.0

2.272

2.895

0.823

13.863

1.539

2.188

0.729

3.746

1.869

1.309

60×25×32×2.5

60

25

32

2.5

3.030

3.860

1.279

42.431

3.959

3.315

1.012

7.131

3.095

3.243

60×25×32×3.0

60

25

32

3.0

3.544

4.515

1.279

49.003

4.438

3.294

0.991

8.305

3.469

3.635

80×40×20×4.0

80

40

20

4.0

5.296

6.746

1.573

79.594

14.537

3.434

1.467

14.213

9.241

5.900

100×30×15×3.0

100

30

15

3.0

3.921

4.995

0.932

77.669

5.575

3.943

1.056

12.527

5.979

2.696

150×40×20×4.0

150

40

20

4.0

7.497

9.611

1.176

325.197

18.311

5.817

1.380

35.736

15.571

6.484

150×40×20×5.0

5.0

8.913

11.427

1.158

370.697

19.357

5.696

1.302

41.189

16.716

6.811

200×50×30×4.0

200

50

30

4.0

10.305

13.211

1.525

834.155

44.255

7.946

1.830

66.203

29.020

12.735

200×50×30×5.0

5.0

12.423

15.927

1.511

976.969

49.376

7.832

1.761

78.158

32.678

10.999

250×60×40×5.0

250

60

40

5.0

15.933

20.427

1.856

2029.828

99.403

9.968

2.206

126.864

53.558

23.987

250×60×40×6.0

6.0

18.732

24.015

1.853

2342.687

111.005

9.877

2.150

147.339

59.906

26.768

300×70×50×6.0

300

70

50

6.0

22.944

29.415

2.195

4246.582

197.478

12.015

2.591

218.896

89.967

41.098

300×70×50×8.0

8.0

29.557

37.893

2.191

5304.784

233.118

11.832

2.480

276.291

106.398

48.475

350×80×60×6.0

350

80

60

6.0

27.156

34.815

2.533

6973.923

319.329

14.153

3.029

304.538

126.068

58.410

350×80×60×8.0

8.0

35.173

45.093

2.475

8804.763

365.038

13.973

2.845

387.875

147.490

66.070

400×90×70×8.0

400

90

70

8.0

40.789

52.293

2.773

13577.846

548.603

16.114

3.239

518.238

197.837

88.101

400×90×70×10

10

49.692

63.708

2.868

16171.507

672.619

15.932

3.249

621.981

234.525

109.690

450×100×80×8.0

450

100

80

8.0

46.405

59.493

3.206

19821.32

855.920

18.253

3.793

667.382

266.974

125.982

450×100×80×10

10

56.712

72.708

3.205

23751.957

987.987

18.074

3.686

805.151

308.264

145.399

500×150×90×10

500

150

90

10

69.972

89.708

5.003

38191.923

2907.975

20.633

5.694

1157.331

581.246

290.885

500×150×90×12

12

82.414

105.659

4.992

44274.544

3291.816

20.470

5.582

1349.834

659.418

328.918

550×200×100×12

550

200

100

12

98.326

126.059

6.564

66449.957

6427.780

22.959

7.141

1830.577

979.247

478.400

550×200×100×14

14

111.591

143.065

6.815

74080.384

7829.699

22.755

7.398

2052.088

1148.892

593.834

600×250×150×14

600

250

150

14

138.891

178.065

9.717

125436.851

17163.911

26.541

9.818

2876.992

1766.380

1123.072

600×250×150×16

16

156.449

200.575

9.700

139827.681

18879.946

26.403

9.702

3221.836

1946.386

1233.983
冷弯Z形钢

冷弯Z形钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

名 称

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm2

惯性矩/cm4

回转

半径

/cm

惯性积矩

/cm4

截面系数

/cm3

角度

H×B×C×t

H

B

t

Ix

Iy

Iu

Iv

rv

Ixy

Wx

Wy

tanα

80×40×2.5

80

40

2.5

2.947

3.755

37.021

9.707

43.307

3.421

0.954

14.532

9.255

2.505

0.432

80×40×3.0

3.0

3.491

4.447

43.148

11.429

50.606

3.970

0.944

17.094

10.787

2.968

0.436

100×50×2.5

100

50

2.5

3.732

4.755

74.429

19.321

86.840

6.910

1.205

28.947

14.885

3.963

0.428

100×50×3.0

3.0

4.433

5.647

87.275

22.837

102.038

8.073

1.195

34.194

17.455

4.708

0.431

140×70×3.0

140

70

3.0

6.291

8.065

249.769

64.316

290.867

23.218

1.697

96.492

35.681

9.389

0.426

140×70×4.0

4.0

8.272

10.605

322.421

83.925

376.599

29.747

1.675

125.922

46.061

12.342

0.430

200×100×3.0

200

100

3.0

9.099

11.665

749.379

191.180

870.468

70.091

2.451

286.800

74.938

19.409

0.422

200×100×4.0

4.0

12.016

15.405

977.164

251.093

1137.292

90.965

2.430

376.703

97.716

25.622

0.425

300×120×4.0

300

120

4.0

16.384

21.005

2871.420

438.304

3124.579

185.144

2.969

824.655

191.428

37.144

0.307

300×120×5.0

5.0

20.251

25.963

3506.942

541.080

3823.534

224.489

2.940

1019.410

233.796

46.049

0.311

400×150×6.0

400

150

6.0

31.595

40.507

9598.705

1271.376

10321.169

548.912

3.681

2556.980

479.935

86.488

0.283

400×150×8.0

8.0

41.611

53.347

12449.116

1661.661

13404.115

706.662

3.640

3348.736

622.456

113.812

0.285
冷弯卷边Z形钢

冷弯卷边Z形钢的基本尺寸与主要参数(GB/T 6723—2017)

弯曲角部分的外圆弧半径

屈服强度

等级

外圆弧半径/mm

t≤4.0

4.0＜t≤12.0

12.0＜t≤19.0

235

(1.5~2.5)t

(2.0~3.0)t

(2.5~3.5)t

345

(2.0~3.0)t

(2.5~3.5)t

(3.0~4.0)t

390

供需双方协议

 

规  格

尺    寸

/mm

理论

重量

/(kg/m)

截面

面积

/cm2

惯  性  矩

/cm4

回转

半径

/cm

惯性

积矩

/cm4

截面模数

/cm3

角度

H×B×C×t

H

B

C

t

Ix

Iy

Iu

Iv

rv

Ixy

Wx

Wy

tan α

100×40×20×2.0

100

40

20

2.0

3.208

4.086

60.618

17.202

71.373

6.448

1.256

24.136

12.123

4.410

0.445

100×40×20×2.5

2.5

3.933

5.010

73.047

20.324

85.730

7.641

1.234

28.802

14.609

5.245

0.440

120×50×20×2.0

120

50

20

2.0

3.82

4.87

106.97

30.23

126.06

11.14

1.51

42.77

17.83

6.17

0.446

120×50×20×2.5

2.5

4.70

5.98

129.39

35.91

152.05

13.25

1.49

51.30

21.57

7.37

0.442

120×50×20×3.0

3.0

5.54

7.05

150.14

40.88

175.92

15.11

1.46

58.99

25.02

8.43

0.437

140×50×20×2.5

140

50

20

2.5

5.110

6.510

188.502

36.358

210.140

14.720

1.503

61.321

26.928

7.458

0.352

140×50×20×3.0

3.0

6.040

7.695

219.848

41.554

244.527

16.875

1.480

70.775

31.406

8.567

0.348

160×60×20×2.5

160

60

20

2.5

5.87

7.48

288.12

58.15

323.13

23.14

1.76

96.32

36.01

9.90

0.364

160×60×20×3.0

160

60

20

3.0

6.95

8.85

336.66

66.66

376.76

26.56

1.73

111.51

42.08

11.39

0.360

160×70×20×2.5

160

70

20

2.5

6.27

7.98

319.13

87.74

374.76

32.11

2.01

126.37

39.89

12.76

0.440

160×70×20×3.0

160

70

20

3.0

7.42

9.45

373.64

101.10

437.72

37.03

1.98

146.86

46.71

14.76

0.436

180×70×20×2.5

180

70

20

2.5

6.680

8.510

422.926

88.578

476.503

35.002

2.028

144.165

46.991

12.884

0.371

180×70×20×3.0

3.0

7.924

10.095

496.693

102.345

558.511

40.527

2.003

167.926

55.188

14.940

0.368

230×75×25×3.0

230

75

25

3.0

9.573

12.195

951.373

138.928

1030.579

59.722

2.212

265.752

82.728

18.901

0.298

230×75×25×4.0

4.0

12.518

15.946

1222.685

173.031

1320.991

74.725

2.164

335.933

106.320

23.703

0.292

250×75×25×3.0

250

3.0

10.044

12.795

1160.008

138.933

1236.730

62.211

2.205

290.214

92.800

18.902

0.264

250×75×25×4.0

4.0

13.146

16.746

1492.957

173.042

1588.130

77.869

2.156

366.984

119.436

23.704

0.259

300×100×30×4.0

300

100

30

4.0

16.545

21.211

2828.642

416.757

3066.877

178.522

2.901

794.575

188.576

42.526

0.300

300×100×30×6.0

6.0

23.880

30.615

3944.956

548.081

4258.604

234.434

2.767

1078.794

262.997

56.503

0.291

400×120×40×8.0

400

120

40

8.0

40.789

52.293

11648.355

1293.651

12363.204

578.802

3.327

2813.016

582.418

111.522

0.254

400×120×40×10

10

49.692

63.708

13835.982

1463.588

14645.376

654.194

3.204

3266.384

691.799

127.269

0.248

通用冷弯开口型钢(摘自GB/T 6723-1986)

型别与代号
名称 代号
冷弯等边角钢 见图－1
冷弯不等边角钢 见图－2
冷弯等边槽钢 见图－3
冷弯不等边槽钢 见图－4
冷弯内卷边槽钢 见图－5
冷弯外卷边槽钢 见图－6
冷弯乙形钢 见图－7
冷弯卷边乙形钢 见图－8
冷弯等边角钢的尺寸规格

注：1.本标准各表中截面面积和参考数值系按内圆弧半径等于壁厚计算的。
2.表中理论重量是按密度为7.85g/cm^3计算的。

名称 尺寸/mm 理论重量/(kg/m) 截面面积/cm^2
b×b×t b t
20×20×1.2 20 1.2 0.354 0.451
20×20×1.6 20 1.6 0.463 0.589
20×20×2.0 20 2.0 0.566 0.721
25×25×1.6 25 1.6 0.588 0.749
25×25×2.0 25 2.0 0.723 0.921
25×25×2.5 25 2.5 0.885 1.127
25×25×3.0 25 3.0 1.039 1.323
30×30×1.6 30 1.6 0.714 0.909
30×30×2.0 30 2.0 0.880 1.121
30×30×2.5 30 2.5 1.081 1.377
30×30×3.5 30 3.0 1.274 1.623
40×40×1.6 40 1.6 0.965 1.229
40×40×2.0 40 2.0 1.194 1.521
40×40×2.5 40 2.5 1.473 1.877
40×40×3.0 40 3.0 1.745 2.223
40×40×4.0 40 4.0 2.266 2.886
50×50×2.0 50 2.0 1.508 1.921
50×50×2.5 50 2.5 1.866 2.377
50×50×3.0 50 3.0 2.216 2.823
50×50×4.0 50 4.0 2.894 3.686
60×60×2.0 60 2.0 1.822 2.321
60×60×2.5 60 2.5 2.258 2.877
60×60×3.0 60 3.0 2.687 3.423
60×60×4.0 60 4.0 3.522 4.486
70×70×3.0 70 3.0 3.158 4.023
70×70×4.0 70 4.0 4.150 5.286
70×70×5.0 70 5.0 5.110 6.510
80×80×3.0 80 3.0 3.629 4.623
80×80×4.0 80 4.0 4.778 6.086
80×80×5.0 80 5.0 5.895 7.510
80×80×6.0 80 6.0 6.982 8.895
100×100×3.0 100 3.0 4.571 5.823
100×100×4.0 100 4.0 6.034 7.686
100×100×5.0 100 5.0 7.765 9.510
100×100×6.0 100 6.0 8.866 11.295
冷弯不等边角钢的尺寸规格
名称 尺寸/mm 理论重量/(kg/m) 截面面积/cm^2
B×b×t B b t
25×15×2.0 25 15 2.0 0.566 0.721
25×15×2.5 25 15 2.5 0.688 0.877
25×15×3.0 25 15 3.0 0.803 1.023
30×20×2.0 30 20 2.0 0.732 0.921
30×20×2.5 30 20 2.5 0.885 1.127
30×20×3.0 30 20 3.0 1.039 1.323
35×20×2.0 35 20 2.0 0.802 1.021
35×20×2.5 35 20 2.5 0.983 1.252
35×20×3.0 35 20 3.0 1.156 1.473
40×25×2.5 40 25 2.5 1.179 1.502
40×25×3.0 40 25 3.0 1.392 1.773
50×30×2.5 50 30 2.5 1.473 1.877
50×30×3.0 50 30 3.0 1.745 2.223
50×30×4.0 50 30 4.0 2.266 2.886
60×40×2.5 60 40 2.5 1.866 2.337
60×40×3.0 60 40 3.0 2.216 2.823
60×40×4.0 60 40 4.0 2.894 3.686
70×40×3.0 70 40 3.0 2.452 3.123
70×40×4.0 70 40 4.0 3.208 4.086
80×50×3.0 80 50 3.0 2.923 3.723
80×50×4.0 80 50 4.0 3.836 4.886
100×60×3.0 100 60 3.0 3.629 4.623
100×60×4.0 100 60 4.0 4.778 6.068
100×60×5.0 100 60 5.0 5.895 7.510
120×80×4.0 120 80 4.0 6.034 7.686
120×80×5.0 120 80 5.0 7.465 9.510
120×80×6.0 120 80 6.0 8.866 11.295
冷弯等边槽钢的尺寸规格
名称 尺寸/mm 理论重量/(kg/m) 截面面积/cm^2
H×b×t H B t
20×10×1.5 20 10 1.5 0.401 0.511
20×10×2.0 20 10 2.0 0.505 0.643
20×10×2.5 20 10 2.5 0.593 0.755
30×10×1.5 30 10 1.5 0.519 0.661
30×10×2.0 30 10 2.0 0.662 0.843
30×10×2.5 30 10 2.5 0.789 1.005
30×30×3.0 30 30 3.0 1.843 2.347
40×20×2.0 40 20 2.0 1.133 1.443
40×20×2.5 40 20 2.5 1.378 1.775
40×20×3.0 40 20 3.0 1.607 2.047
50×30×2.0 50 30 2.0 1.604 2.043
50×30×2.5 50 30 2.5 1.967 2.505
50×30×3.0 50 30 3.0 2.314 2.947
50×50×3.0 50 50 3.0 3.256 4.147
60×30×2.5 60 30 2.5 2.163 2.755
60×30×3.0 60 30 3.0 2.549 3.247
80×40×2.5 80 40 2.5 2.948 3.755
80×40×3.0 80 40 3.0 3.491 4.447
80×40×4.0 80 40 4.0 4.532 5.773
100×50×3.0 100 50 3.0 4.433 5.647
100×50×4.0 100 50 4.0 5.788 7.373
120×60×3.0 120 60 3.0 5.375 6.847
120×60×4.0 120 60 4.0 7.044 8.973
140×60×3.0 140 60 3.0 5.846 7.447
140×60×4.0 140 60 4.0 7.672 9.773
140×60×5.0 140 60 5.0 9.436 12.021
160×60×3.0 160 60 3.0 6.317 8.047
160×60×4.0 160 60 4.0 8.300 10.573
160×60×5.0 160 60 5.0 10.221 13.021
160×80×3.0 160 80 3.0 7.259 9.247
160×80×4.0 160 80 4.0 9.556 12.173
160×80×5.0 160 80 5.0 11.791 15.021
180×80×4.0 180 80 4.0 10.184 12.973
180×80×5.0 180 80 5.0 12.576 16.021
200×80×4.0 200 80 4.0 10.812 13.773
200×80×5.0 200 80 5.0 13.361 17.021
200×80×6.0 200 80 6.0 15.849 20.190
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