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地質不銹鋼管管壁厚換算表

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地質不銹鋼管壁厚換算表


  

SCH系列鋼管最新型號表(通徑壁厚對照)(公制版) 


公稱通徑 外徑 公 稱 壁 厚 T 

Norminal Pipe Size DN Outside Diameter Norminal Wall Thickness 

  A系列 B系列 sch5s sch10s sch20s LG sch20 sch30 STD sch40 sch60 xs sch80 sch100 sch120 sch140 sch160 

  Series A Series B 

15 21.3 18 1.6 2.1 2.6 --- --- --- --- 2.9 --- --- 3.6 --- --- --- 4.5 

20 26.9 25 1.6 2.1 2.6 --- --- --- --- 2.9 --- --- 4 --- --- --- 5.6 

25 33.7 32 1.6 2.8 3.2 --- --- --- --- 3.2 --- --- 4.5 --- --- --- 6.3 

32 42.4 38 1.6 28 3.2 --- --- --- --- 3.6 --- --- 5 --- --- --- 6.3 

40 48.3 45 1.6 2.8 3.2 --- --- --- --- 3.6 --- --- 5 --- --- --- 7.1 

50 60.3 57 1.6 2.8 3.6 --- 3.2 --- --- 4 --- --- 5.6 --- --- --- 8.8 

65 76.1 76 2 3 3.6 --- 4.5 --- --- 5 --- --- 7.1 --- --- --- 10 

80 88.9 89 2 3 4 --- 4.5 --- --- 5.6 --- --- 8 --- --- --- 11 

90 101.6 --- 2 3 4 --- 4.5 --- --- 5.6 --- --- 8 --- --- --- 12.5 

100 114.3 108 2 3 4 --- 5 --- --- 5.9 --- --- 8.8 --- 11 --- 14.2 

125 139.7 133 2.9 3.4 5 --- 5 --- --- 6.3 --- --- 10 --- 12.5 --- 16 

150 168.3 159 2.9 3.4 5 --- 5.6 --- --- 7.1 --- --- 11.1 --- 14.2 --- 17.5 

200 219.1 219 2.9 4 6.3 --- 6.3 7.1 --- 8 10 --- 12.5 16 17.5 20 22.2 

250 273 273 3.6 4 6.3 --- 6.3 8 --- 8.8 12.5 --- 16 17.5 22.2 25 28 

300 323.9 325 4 4.5 6.3 --- 6.3 8.8 --- 10 14.2 --- 17.5 22.2 25 28 32 

350 355.6 377 4 5 8 8 8 10 10 11 16 13 20 25.8 28 32 36 

400 406.4 426 4 5 8 8 8 10 10 12.5 17.5 13 22.2 28 30 36 40 

450 457.2 478 4 5 8 8 8 11 10 14.2 20 13 25 30 36 40 45 

500 508 529 5 5.6 8 8 10 12.5 10 16 20 13 28 32 40 45 50 

550 559 --- 5 5.6 --- 8 --- --- 10 --- --- 13 30   

600 610 630 5.6 6.3 --- 8 --- --- 10 17.5 --- 13 32 

650 660 --- --- --- --- 8 --- --- 10 --- --- 13 注:1、sch5s、10s、40s、80s用于不銹鋼管件 

700 711 720 --- --- --- 8 --- --- 10 --- --- 13 2、GB 12459為無縫對焊管件標準,GB/T 13401為鋼板制對焊管件標準。 

750 762 --- --- --- --- 8 --- --- 10 --- --- 13   

800 813 820 --- --- --- 8 --- --- 10 --- --- 13   

850 864 --- --- --- --- 8 --- --- 10 --- --- 13   

900 914 920 --- --- --- 8 --- --- 10 --- --- 13   

950 965 --- --- --- --- 8 --- --- 10 --- --- 13   

1000 1016 1020 --- --- --- 8 --- --- 10 --- --- 13   

1050 1067 --- --- --- --- 8 --- --- 10 --- --- 13   

1100 1118 1120 --- --- --- 8 --- --- 10 --- --- 13   

1150 1168 --- --- --- --- 8 --- --- 10 --- --- 13   



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