熱軋六角鋼和八角鋼的尺寸規(guī)格
對邊距離 s／mm |
允許偏差／mm |
截面面積／cm2 |
理論質(zhì)量(kg／m) |
||||
1組 |
2組 |
3組 |
六角鋼 |
八角鋼 |
六角鋼 |
八角鋼 |
|
8 |
±0.25 |
±0.35 |
±0.40 |
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 |
|
1.15 |
|
|||
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 |
±0.30 |
±0.40 |
±0.50 |
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 |
±0.40 |
±0.50 |
±0.60 |
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 |
13.25 |
10.88 |
10.40 |
|||
42 |
±0.40 |
±0.50 |
±0.60 |
15.28 |
|
11.99 |
|
45 |
17.54 |
|
13.77 |
|
|||
48 |
19.95 |
|
15.66 |
|
|||
50 |
21.65 |
|
17.00 |
|
|||
53 |
24.33 |
|
19.10 |
|
|||
