无锡云坤钢管有限公司
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联系人:张经理
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地 址:无锡市惠山区惠澄大道77号龙之杰钢材市场A幢130室
外径D
/mm |
壁厚S
/mm |
理论质量
/(kg/m) |
允许偏差/mm | ||||
外 径 |
壁 厚 |
同截面
壁厚差 | |||||
普通级 |
较高级 |
普通级 |
较高级 | ||||
63.5 |
3.2 |
4.76 |
±0.50 |
±0.30 |
±0.32 |
±0.24 |
≤7.5% |
4.5 |
6.55 |
±0.45 |
±0.34 | ||||
76.0 |
3.2 |
5.74 |
±0.50 |
±0.30 |
土0.32 |
±0.24 | |
4.5 |
7.93 |
±0.45 |
±0.34 | ||||
89.0 |
3.2 |
6.77 |
±0.60 |
±0.40 |
±0.32 |
±0.24 | |
4.5 |
9.38 |
±0.45 |
±0.34 | ||||
108.0 |
3.2 |
8.27 |
±0.70 |
±0.40 |
士0.32 |
±0.24 | |
4.5 |
11.49 |
±0.45 |
±0.34 | ||||
133.0 |
4.5 |
14.26 |
±0.80 |
±0.60 |
±0.45 |
±0.34 | |
5.0 |
15.78 |
±0.50 |
±0.38 | ||||
159.0 |
4.5 |
17.14 |
±0.90 |
±0.60 |
±0.45 |
±0.34 | |
5.0 |
18.99 |
±0.50 |
±0.38 | ||||
6.0 |
22.64 |
±0.60 |
±0.45 | ||||
194.0 |
5.0 |
23.30 |
±1.0 |
±0.80 |
±0.50 |
±0.38 | |
6.0 |
27.32 |
±1.0 |
±0.80 |
±0.60 |
±0.45 | ||
219.0 |
5.0 |
26.39 |
±1.1 |
±0.80 |
±0.50 |
±0.38 | |
6.0 |
31.52 |
±0.60 |
±0.45 |