42crmo合金管外径426壁厚50每米价格\无缝钢管标准国标对照表

42crmo合金管外径426壁厚50每米价格\无缝钢管标准国标对照表 ——————无锡豪鑫天钢铁贸易有限公司0510-88264800  13376216888 http://www.wxggxs.com http://www.wxcljs.com 

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无缝钢管标准国标对照表
钢管标准国标对照表
公称直径
Nominal
diameter 外径
Outside
diameter Sch
5s Sch
10s Sch
20s LG Sch
20 Sch
30 STD Sch
40 Sch
60 XS Sch
80 Sch
100 Sch
120 Sch
140 Sch
160
15 18 1.6 2.1 2.6 - - - - 2.9 - - 3.6 - - - 4.5
20 25 1.6 2.1 2.6 - - - - 2.9 - - 4.0 - - - 5.6
25 32 1.6 2.8 3.2 - - - - 3.2 - - 4.5 - - - 6.3
32 38 1.6 2.8 3.2 - - - - 3.6 - - 5.0 - - - 7.1
40 45 1.6 2.8 3.2 - - - - 3.6 - - 5.0 - - - 7.1
50 57 1.6 2.8 3.6 - 3.2 - - 4.0 - - 5.6 - - - 8.8
65 76 2.0 3.0 3.6 - 4.5 - - 5.0 - - 7.1 - - - 10.0
80 89 2.0 3.0 4.0 - 4.5 - - 5.6 - - 8.0 - - - 11.0
90 - 2.0 3.0 4.0 - 4.5 - - 5.6 - - 8.0 - - - 12.5
100 108 2.0 3.0 4.0 - 5.0 - - 5.9 - - 8.8 - 11.0 - 14.2
125 133 2.9 3.4 5.0 - 5.0 - - 6.3 - - 10.0 - 12.5 - 16.0
150 159 2.9 3.4 5.0 - 5.6 - - 7.1 - - 11.0 - 14.2 - 17.5
200 219 2.9 4.0 6.3 - 6.3 7.1 - 8.0 10.0 - 12.5 16.0 17.5 20.0 22.2
250 273 3.6 4.0 6.3 - 6.3 8.0 - 8.8 12.5 - 16.0 17.5 22.2 25.0 28.0
300 325 4.0 4.5 6.3 - 6.3 8.8 - 10.0 14.2 - 17.5 22.2 25.0 28.0 32.0
350 377 4.0 5.0 - 8.0 8.0 10.0 10.0 11.0 16.0 13.0 20.0 25.8 28.0 32.0 36.0
400 426 4.0 5.0 - 8.0 8.0 10.0 10.0 12.5 17.5 13.0 22.2 28.5 30.0 36.0 40.0
450 480 4.0 5.0 - 8.0 8.0 11.0 10.0 14.2 20.0 13.0 25.0 30.0 36.0 40.0 45.0
500 529 5.0 5.6 - 8.0 10.0 12.5 10.0 16.0 20.0 13.0 28.0 32.0 40.0 45.0 50.0