| 圆钢价格 |
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| 合金圆钢‘35Crmo合金圆钢'圆钢规格 |
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发布者：金旭钢材 发布时间：2012/5/6 阅读：2213次 【字体：大 中 小】 |
热轧圆钢和方钢的尺寸规格
|
直径d
(或边长a)
／mm |
精度组别 |
|
截面面积／cm² |
理论质量(kg／m) |
|
|
1组 |
2组 |
3组 |
|
|
圆 钢 |
方 钢 |
圆 钢 |
方 钢 |
|
|
允许偏差／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 |
|
|
|
|
|
|
