| 详细说明 |
|
|
| 品牌：无缝钢管 | 产地：天津 | | 价格：电议人民币/吨 | 规格：齐全 | 简要说明： 四平圆钢、角钢、扁钢、槽钢是H型钢热轧H型钢根据不同用途合理分配 | |  | | | 详细介绍： 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
|
|
32
|
8.042
|
10.24
|
6.31
|
8.04
|
|
*33
|
8.553
|
10.89
|
6.71
|
8.55
|
|
34
|
9.097
|
11.56
|
7.13
|
9.07
|
|
*35
|
9.621
|
12.25
|
7.55
|
9.62
|
|
36
|
10.18
|
12.96
|
7.99
|
10.2
|
|
38
|
11.34
|
14.44
|
8.90
|
11.3
|
|
40
|
12.57
|
16.00
|
9.86
|
12.6
|
|
42
|
13.85
|
17.64
|
10.9
|
13.8
|
|
|
|
|
|
|
|
|
|
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