热轧六角钢和八角钢(GB/T705-1989)
发布时间:2007-12-16 11:32:36点击率:
技术类别:机械技巧
热轧六角钢和八角钢的尺寸规格
|
对边距离s/mm |
允许偏差/mm |
截面面积/cm2 |
理论质量(kg/m) | ||||
|
l组 |
2组 |
3组 |
六角钢 |
八角钢 |
六角钢 |
八角钢 | |
|
8 |
±O.25 |
±0.35 |
±O.40 |
O.5543 |
0.435 |
||
|
9 |
O.7015 |
0.551 |
|||||
|
10 |
0.866 |
0.680 |
|||||
|
ll |
1.048 |
0.823 |
|||||
|
12 |
1.247 |
O.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 |
±O.30 |
±O.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 |
|||||



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