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合金圓鋼‘35Crmo合金圓鋼'圓鋼規(guī)格 |
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發(fā)布者:金旭鋼材 發(fā)布時(shí)間:2012/5/6 閱讀:2362次 【字體:大 中 小】 |
合金圓鋼‘35crmo合金圓鋼'圓鋼規(guī)格|熱軋圓鋼和方鋼(GB/T702-1986)
熱軋圓鋼和方鋼的尺寸規(guī)格
直徑d
(或邊長a)
/mm |
精度組別 |
|
截面面積/cm² |
理論質(zhì)量(kg/m) |
|
1組 |
2組 |
3組 |
|
圓 鋼 |
方 鋼 |
圓 鋼 |
方 鋼 |
|
允許偏差/mm |
|
5.5 |
±0.20 |
±0.30 |
±0.40 |
..2375 |
0.30 |
0.186 |
0.237 |
|
6 |
0.2827 |
0.36 |
0.222 |
0.283 |
|
6.5 |
0.3318 |
0.42 |
0.260 |
0.332 |
|
7 |
0.3848 |
0.49 |
0.302 |
0.385 |
|
8 |
±0.25 |
±0.35 |
±0.40 |
0.5077 |
0.64 |
0.395 |
0.502 |
|
9 |
0.6362 |
0.81 |
0.499 |
0.636 |
|
10 |
0.7854 |
1.0 |
0.617 |
0.785 |
|
*11 |
0.9503 |
1.21 |
0.746 |
0.95 |
|
12 |
1.131 |
1.44 |
0.888 |
1.13 |
|
13 |
1.327 |
1.69 |
1.04 |
1.33 |
|
14 |
1.539 |
1.96 |
1.21 |
1.54 |
|
15 |
1.767 |
2.25 |
1.39 |
1.77 |
|
16 |
2.011 |
2.56 |
1.58 |
2.01 |
|
17 |
2.270 |
2.89 |
1.78 |
2.27 |
|
18 |
2.545 |
3.24 |
2.00 |
2.54 |
|
19 |
2.835 |
3.61 |
2.23 |
2.83 |
|
20 |
3.142 |
4.00 |
2.47 |
3.14 |
|
21 |
±. 30 |
±. 40 |
±. 50 |
3.464 |
4.41 |
2.72 |
3.46 |
|
22 |
3.801 |
4.84 |
2.98 |
3.80 |
|
*23 |
4.155 |
5.29 |
3.26 |
4.15 |
|
24 |
4.524 |
5.76 |
3.55 |
4.52 |
|
25 |
4.909 |
6.25 |
3.85 |
4.91 |
|
26 |
5.309 |
6.76 |
4.17 |
5.31 |
|
*27 |
5.726 |
7.29 |
4.49 |
5.72 |
|
28 |
6.158 |
7.84 |
4.83 |
6.15 |
|
*29 |
6.605 |
8.41 |
5.18 |
6.60 |
|
30 |
7.069 |
9.00 |
5.55 |
7.06 |
|
*31 |
±0.40 |
±0.50 |
±0.60 |
7.548 |
9.61 |
5.93 |
7.54 |
|
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