|
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 |
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|
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 |
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|
普通质量钢 |
3~8 |
≥2.5 |
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|
优质及特殊质量钢 |
2~6 |
≥1.5 |
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