热轧钢棒(摘自GB/T 702-2008)
热轧圆钢和方钢的尺寸及理论重量
热轧圆钢和方钢的尺寸及理论重量(GB/T 702—2008) |
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圆钢公称直径d 方钢公称边长a/mm |
理论重量/kg·m-1 |
圆钢公称直径d 方钢公称边长a/mm |
理论重量/kg·m-1 |
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圆钢 |
方钢 |
圆钢 |
方钢 |
||||||
5.5 |
0.186 |
0.237 |
56 |
19.3 |
24.6 |
||||
6 |
0.222 |
0.283 |
58 |
20.7 |
26.4 |
||||
6.5 |
0.260 |
0.332 |
60 |
22.2 |
28.3 |
||||
7 |
0.302 |
0.385 |
63 |
24.5 |
31.2 |
||||
8 |
0.395 |
0.502 |
65 |
26.0 |
33.2 |
||||
9 |
0.499 |
0.636 |
68 |
28.5 |
36.3 |
||||
10 |
0.617 |
0.785 |
70 |
30.2 |
38.5 |
||||
11 |
0.746 |
0.950 |
75 |
34.7 |
44.2 |
||||
12 |
0.888 |
1.13 |
80 |
39.5 |
50.2 |
||||
13 |
1.04 |
1.33 |
85 |
44.5 |
56.7 |
||||
14 |
1.21 |
1.54 |
90 |
49.9 |
63.6 |
||||
15 |
1.39 |
1.77 |
95 |
55.6 |
70.8 |
||||
16 |
1.58 |
2.01 |
100 |
61.7 |
78.5 |
||||
17 |
1.78 |
2.27 |
105 |
68.0 |
86.5 |
||||
18 |
2.00 |
2.54 |
110 |
74.6 |
95.0 |
||||
19 |
2.23 |
2.83 |
115 |
81.5 |
104 |
||||
20 |
2.47 |
3.14 |
120 |
88.8 |
113 |
||||
21 |
2.72 |
3.46 |
125 |
96.3 |
123 |
||||
22 |
2.98 |
3.80 |
130 |
104 |
133 |
||||
23 |
3.26 |
4.15 |
135 |
112 |
143 |
||||
24 |
3.55 |
4.52 |
140 |
121 |
154 |
||||
25 |
3.85 |
4.91 |
145 |
130 |
165 |
||||
26 |
4.17 |
5.31 |
150 |
139 |
177 |
||||
27 |
4.49 |
5.72 |
155 |
148 |
189 |
||||
28 |
4.83 |
6.15 |
160 |
158 |
201 |
||||
29 |
5.18 |
6.60 |
165 |
168 |
214 |
||||
30 |
5.55 |
7.06 |
170 |
178 |
227 |
||||
31 |
5.92 |
7.54 |
180 |
200 |
254 |
||||
32 |
6.31 |
8.04 |
190 |
223 |
283 |
||||
33 |
6.71 |
8.55 |
200 |
247 |
314 |
||||
34 |
7.13 |
9.07 |
210 |
272 |
|
||||
35 |
7.55 |
9.62 |
220 |
298 |
|
||||
36 |
7.99 |
10.2 |
230 |
326 |
|
||||
38 |
8.90 |
11.3 |
240 |
355 |
|
||||
40 |
9.86 |
12.6 |
250 |
385 |
|
||||
42 |
10.9 |
13.8 |
260 |
417 |
|
||||
45 |
12.5 |
15.9 |
270 |
449 |
|
||||
48 |
14.2 |
18.1 |
280 |
483 |
|
||||
50 |
15.4 |
19.6 |
290 |
518 |
|
||||
53 |
17.3 |
22.0 |
300 |
555 |
|
||||
55 |
18.6 |
23.7 |
310 |
592 |
|
||||
注:表中钢的理论重量是按密度为7.85g/cm3计算。 |
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热轧圆钢和方钢通常长度及短尺长度 |
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钢 类 |
通 常 长 度 |
短尺长度/m 不小于 |
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截面公称尺寸/mm |
钢棒长度/m |
||||||||
普通质量钢 |
≤25 |
4~12 |
2.5 |
||||||
>25 |
3~12 |
||||||||
优质及特殊质量钢 |
全部规格 |
2~12 |
1.5 |
||||||
碳素和合金工具钢 |
≤75 |
2~12 |
1.0 |
||||||
>75 |
1~8 |
0.5(包括高速工具钢全部规格) |
热轧六角钢和热轧八角钢的尺寸及理论重量
热轧六角钢和热轧八角钢的尺寸及理论重量(GB/T 702—2008) |
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---|---|---|---|---|---|---|
对边距离 S/mm |
截面面积A/cm2 |
理论重量/(kg/m) |
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六角钢 |
八角钢 |
六角钢 |
八角钢 |
|||
8 |
0.5543 |
— |
0.435 |
— |
||
9 |
0.7015 |
— |
0.551 |
— |
||
10 |
0.866 |
— |
0.680 |
— |
||
11 |
1.048 |
— |
0.823 |
— |
||
12 |
1.247 |
— |
0.979 |
— |
||
13 |
1.464 |
— |
1.05 |
— |
||
14 |
1.697 |
— |
1.33 |
— |
||
15 |
1.949 |
— |
1.53 |
— |
||
16 |
2.217 |
2.120 |
1.74 |
1.66 |
||
17 |
2.503 |
— |
1.96 |
— |
||
18 |
2.806 |
2.683 |
2.20 |
2.16 |
||
19 |
3.126 |
— |
2.45 |
— |
||
20 |
3.464 |
3.312 |
2.72 |
2.60 |
||
21 |
3.819 |
— |
3.00 |
— |
||
22 |
4.192 |
4.008 |
3.29 |
3.15 |
||
23 |
4.581 |
— |
3.60 |
— |
||
24 |
4.988 |
— |
3.92 |
— |
||
25 |
5.413 |
5.175 |
4.25 |
4.06 |
||
26 |
5.854 |
— |
4.60 |
— |
||
27 |
6.314 |
— |
4.96 |
— |
||
28 |
6.790 |
6.492 |
5.33 |
5.10 |
||
30 |
7.794 |
7.452 |
6.12 |
5.85 |
||
32 |
8.868 |
8.479 |
6.96 |
6.66 |
||
34 |
10.011 |
9.572 |
7.86 |
7.51 |
||
36 |
11.223 |
10.731 |
8.81 |
8.42 |
||
38 |
12.505 |
11.956 |
9.82 |
9.39 |
||
40 |
13.86 |
13.250 |
10.88 |
10.40 |
||
42 |
15.28 |
— |
11.99 |
— |
||
45 |
17.54 |
— |
13.77 |
— |
||
48 |
19.95 |
— |
15.66 |
— |
||
50 |
21.65 |
— |
17.00 |
— |
||
53 |
24.33 |
— |
19.10 |
— |
||
56 |
27.16 |
— |
21.32 |
— |
||
58 |
29.13 |
— |
22.87 |
— |
||
60 |
31.18 |
— |
24.50 |
— |
||
63 |
34.37 |
— |
26.98 |
— |
||
65 |
36.59 |
— |
28.72 |
— |
||
68 |
40.04 |
— |
31.43 |
— |
||
70 |
42.43 |
— |
33.30 |
— |
||
注:1.表中的理论重量按密度7.85g/cm3计算。 2.表中截面面积(A)计算公式: 式中:n——正n边形边数; φ——正n边形圆内角;φ=360/n。 |
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热轧六角钢和热轧八角钢通常长度及短尺长度 |
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钢类 |
通常长度/m |
短尺长度/m |
||||
普通质量钢 |
3~8 |
≥2.5 |
||||
优质及特殊质量钢 |
2~6 |
≥1.5 |
热轧扁钢的尺寸及理论重量
热轧扁钢的尺寸及理论重量(GB/T 702—2008) |
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公称 宽度 /mm |
厚 度 /mm |
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3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
30 |
32 |
36 |
40 |
45 |
50 |
56 |
60 |
|
理 论 质 量 /kg·m-1 |
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10 |
0.24 |
0.31 |
0.39 |
0.47 |
0.55 |
0.63 |
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12 |
0.28 |
0.38 |
0.47 |
0.57 |
0.66 |
0.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14 |
0.33 |
0.44 |
0.55 |
0.66 |
0.77 |
0.88 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16 |
0.38 |
0.50 |
0.63 |
0.75 |
0.88 |
1.00 |
1.15 |
1.26 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18 |
0.42 |
0.57 |
0.71 |
0.85 |
0.99 |
1.13 |
1.27 |
1.41 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
0.47 |
0.63 |
0.78 |
0.94 |
1.10 |
1.26 |
1.41 |
1.57 |
1.73 |
1.88 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22 |
0.52 |
0.69 |
0.86 |
1.04 |
1.21 |
1.38 |
1.55 |
1.73 |
1.90 |
2.07 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
0.59 |
0.78 |
0.98 |
1.18 |
1.37 |
1.57 |
1.77 |
1.96 |
2.16 |
2.36 |
2.75 |
3.14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
28 |
0.66 |
0.88 |
1.10 |
1.32 |
1.54 |
1.76 |
1.98 |
2.20 |
2.42 |
2.64 |
3.08 |
3.53 |
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
0.71 |
0.94 |
1.18 |
1.41 |
1.65 |
1.88 |
2.12 |
2.36 |
2.59 |
2.83 |
3.30 |
3.77 |
4.24 |
4.71 |
|
|
|
|
|
|
|
|
|
|
|
32 |
0.75 |
1.00 |
1.26 |
1.51 |
1.76 |
2.01 |
2.26 |
2.55 |
2.76 |
3.01 |
3.52 |
4.02 |
4.52 |
5.02 |
|
|
|
|
|
|
|
|
|
|
|
35 |
0.82 |
1.10 |
1.37 |
1.65 |
1.92 |
2.20 |
2.47 |
2.75 |
3.02 |
3.30 |
3.85 |
4.40 |
4.95 |
5.50 |
6.04 |
6.87 |
7.69 |
|
|
|
|
|
|
|
|
40 |
0.94 |
1.26 |
1.57 |
1.88 |
2.20 |
2.51 |
2.83 |
3.14 |
3.45 |
3.77 |
4.40 |
5.02 |
5.65 |
6.28 |
6.91 |
7.85 |
8.79 |
|
|
|
|
|
|
|
|
45 |
1.06 |
1.41 |
1.77 |
2.12 |
2.47 |
2.83 |
3.18 |
3.53 |
3.89 |
4.24 |
4.95 |
5.65 |
6.36 |
7.07 |
7.77 |
8.83 |
9.89 |
10.60 |
11.30 |
12.72 |
|
|
|
|
|
50 |
1.18 |
1.57 |
1.96 |
2.36 |
2.75 |
3.14 |
3.53 |
3.93 |
4.32 |
4.71 |
5.50 |
6.28 |
7.06 |
7.85 |
8.64 |
9.81 |
10.99 |
11.78 |
12.56 |
14.13 |
|
|
|
|
|
55 |
|
1.73 |
2.16 |
2.59 |
3.02 |
3.45 |
3.89 |
4.32 |
4.75 |
5.18 |
6.04 |
6.91 |
7.77 |
8.64 |
9.50 |
10.79 |
12.09 |
12.95 |
13.82 |
15.54 |
|
|
|
|
|
60 |
|
1.88 |
2.36 |
2.83 |
3.30 |
3.77 |
4.24 |
4.71 |
5.18 |
5.65 |
6.59 |
7.54 |
8.48 |
9.42 |
10.36 |
11.78 |
13.19 |
14.13 |
15.07 |
16.96 |
18.84 |
21.20 |
|
|
|
65 |
|
2.04 |
2.55 |
3.06 |
3.57 |
4.08 |
4.59 |
5.10 |
5.61 |
6.12 |
7.14 |
8.16 |
9.18 |
10.20 |
11.23 |
12.76 |
14.29 |
15.31 |
16.33 |
18.37 |
20.41 |
22.96 |
|
|
|
70 |
|
2.20 |
2.75 |
3.30 |
3.85 |
4.40 |
4.95 |
5.50 |
6.04 |
6.59 |
7.69 |
8.79 |
9.89 |
10.99 |
12.09 |
13.74 |
15.39 |
16.49 |
17.58 |
19.78 |
21.98 |
24.73 |
|
|
|
75 |
|
2.36 |
2.94 |
3.53 |
4.12 |
4.71 |
5.30 |
5.89 |
6.48 |
7.07 |
8.24 |
9.42 |
10.60 |
11.78 |
12.95 |
14.72 |
16.48 |
17.66 |
18.84 |
21.20 |
23.55 |
26.49 |
|
|
|
80 |
|
2.51 |
3.14 |
3.77 |
4.40 |
5.02 |
5.65 |
6.28 |
6.91 |
7.54 |
8.79 |
10.05 |
11.30 |
12.56 |
13.82 |
15.70 |
17.58 |
18.84 |
20.10 |
22.61 |
25.12 |
28.26 |
31.40 |
35.17 |
|
85 |
|
|
3.34 |
4.00 |
4.67 |
5.34 |
6.01 |
6.67 |
7.34 |
8.01 |
9.34 |
10.68 |
12.01 |
13.34 |
14.68 |
16.68 |
18.68 |
20.02 |
21.35 |
24.02 |
26.69 |
30.03 |
33.36 |
37.37 |
40.04 |
90 |
|
|
3.53 |
4.24 |
4.95 |
5.65 |
6.36 |
7.07 |
7.77 |
8.48 |
9.89 |
11.30 |
12.72 |
14.13 |
15.54 |
17.66 |
19.78 |
21.20 |
22.61 |
25.43 |
28.26 |
31.79 |
35.32 |
39.56 |
42.39 |
95 |
|
|
3.73 |
4.47 |
5.22 |
5.97 |
6.71 |
7.46 |
8.20 |
8.95 |
10.44 |
11.93 |
13.42 |
14.92 |
16.41 |
18.64 |
20.88 |
22.37 |
23.86 |
26.85 |
29.83 |
33.56 |
37.29 |
41.76 |
44.74 |
100 |
|
|
3.92 |
4.71 |
5.50 |
6.28 |
7.06 |
7.85 |
8.64 |
9.42 |
10.99 |
12.56 |
14.13 |
15.70 |
17.27 |
19.62 |
21.98 |
23.55 |
25.12 |
28.26 |
31.40 |
35.32 |
39.25 |
43.96 |
47.10 |
105 |
|
|
4.12 |
4.95 |
5.77 |
6.59 |
7.42 |
8.24 |
9.07 |
9.89 |
11.54 |
13.19 |
14.84 |
16.48 |
18.13 |
20.61 |
23.08 |
24.73 |
26.38 |
29.67 |
32.97 |
37.09 |
41.21 |
46.16 |
49.46 |
110 |
|
|
4.32 |
5.18 |
6.04 |
6.91 |
7.77 |
8.64 |
9.50 |
10.36 |
12.09 |
13.82 |
15.54 |
17.27 |
19.00 |
21.59 |
24.18 |
25.90 |
27.63 |
31.09 |
34.54 |
38.86 |
43.18 |
48.36 |
51.81 |
120 |
|
|
4.71 |
5.65 |
6.59 |
7.54 |
8.48 |
9.42 |
10.36 |
11.30 |
13.19 |
15.07 |
16.96 |
18.84 |
20.72 |
23.55 |
26.38 |
28.26 |
30.14 |
33.91 |
37.68 |
42.39 |
47.10 |
52.75 |
56.52 |
125 |
|
|
|
5.89 |
6.87 |
7.85 |
8.83 |
9.81 |
10.79 |
11.78 |
13.74 |
15.70 |
17.66 |
19.62 |
21.58 |
24.53 |
27.48 |
29.44 |
31.40 |
35.32 |
39.25 |
44.16 |
49.06 |
54.95 |
58.88 |
130 |
|
|
|
6.12 |
7.14 |
8.16 |
9.18 |
10.20 |
11.23 |
12.25 |
14.29 |
16.33 |
18.37 |
20.41 |
22.45 |
25.51 |
28.57 |
30.62 |
32.66 |
36.74 |
40.82 |
45.92 |
51.02 |
57.15 |
61.23 |
140 |
|
|
|
|
7.69 |
8.79 |
9.89 |
10.99 |
12.09 |
13.19 |
15.39 |
17.58 |
19.78 |
21.98 |
24.18 |
27.48 |
30.77 |
32.97 |
35.17 |
39.56 |
43.96 |
49.46 |
54.95 |
61.54 |
65.94 |
150 |
|
|
|
|
8.24 |
9.42 |
10.60 |
11.78 |
12.95 |
14.13 |
16.48 |
18.84 |
21.20 |
23.55 |
25.90 |
29.44 |
32.97 |
35.32 |
37.68 |
42.39 |
47.10 |
52.99 |
58.88 |
65.94 |
70.65 |
160 |
|
|
|
|
8.79 |
10.05 |
11.30 |
12.56 |
13.82 |
15.07 |
17.58 |
20.10 |
22.61 |
25.12 |
27.63 |
31.40 |
35.17 |
37.68 |
40.19 |
45.22 |
50.24 |
56.52 |
62.80 |
70.34 |
75.36 |
180 |
|
|
|
|
9.88 |
11.30 |
12.72 |
14.13 |
15.54 |
16.96 |
19.78 |
22.61 |
25.43 |
28.26 |
31.09 |
35.32 |
39.56 |
42.39 |
45.22 |
50.87 |
56.52 |
63.58 |
70.65 |
79.13 |
84.78 |
200 |
|
|
|
|
10.99 |
12.56 |
14.13 |
15.70 |
17.27 |
18.84 |
21.98 |
25.12 |
28.26 |
31.40 |
34.54 |
39.25 |
43.96 |
47.10 |
50.24 |
56.52 |
62.80 |
70.65 |
78.50 |
87.92 |
94.20 |
注:1.扁钢的钢号和化学成分、力学性能应符合GB/T 700、GB/T 699的规定。 2.表中粗线用以划分扁钢的组别 1组——理论重量≤19 kg/m; 2组——理论重量>19 kg/m。 3.表中的理论重量按密度7.85g/cm3计算。 |
热轧扁钢通常长度及短尺长度 |
||||
钢 类 |
通常长度/m |
长度允许偏差 |
短尺长度 |
|
普通质量钢 |
1组(理论重量≤19 kg/m) |
3~9 |
钢棒长度≤4 m,+30 mm;4 m~6 m,+50 mm;>6 m,+70 mm |
≥1.5 m |
2组(理论重量>19 kg/m) |
3~7 |
|||
优质及特殊质量钢 |
2~6 |