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|
对边距离
s／mm |
允许偏差／mm |
截面面积／cm2 |
理论质量(kg／m) | ||||
|
1组 |
2组 |
3组 |
六角钢 |
八角钢 |
六角钢 |
八角钢 | |
|
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 |
| |||
|
56 |
27.16 |
|
21.32 |
| |||
|
58 |
29.13 |
|
22.87 |
| |||
|
60 |
±0.60 |
±0.70 |
±0.80 |
31.18 |
|
24.50 |
- |
|
63 |
34.37 |
|
26.98 |
| |||
|
65 |
36.59 |
|
28.72 |
| |||
|
68 |
40.04 |
|
31.43 |
| |||
|
70 |
42.43 |
|
33.30 |
| |||