大庆石化建设公司
无缝钢管壁厚分级表
公称直径DN 10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 550 600 外径 Do 17 22 27 34 42 48 60 76 114 140 168 219 273 325 356 406 457 508 559 610 SCH 5S 1.2 1.6 1.6 1.6 1.6 1.6 1.6 2.0 2.0 2.0 2.8 2.8 2.8 3.5 4.0 4.0 4.5 SCH 10S 1.6 2.0 2.0 2.8 2.8 2.8 2.8 3.0 3.0 3.0 3.5 3.5 4.0 4.0 4.5 5.0 5.0 SCH 20S 2.0 2.5 2.5 3.0 3.0 3.0 3.5 3.5 4.0 4.0 5.0 5.0 6.5 6.5 6.5 SCH 40S 2.5 3.0 3.0 3.5 3.5 4.0 4.0 5.0 5.5 6.0 6.5 7.0 8.0 9.5 9.5 SCH 80S 3.2 4.0 4.0 4.5 5.0 5.0 5.5 7.0 7.5 8.5 9.5 11.0 13.0 15.0 17.0 SCH 20 3.5 4.5 4.5 5.0 5.0 5.5 6.5 6.5 6.5 8.0 8.0 8.0 9.5 9.5 9.5 SCH 30 6.5 7.0 8.0 8.5 9.5 9.5 11.0 13.0 13.0 14.0 壁厚 SCH 40 2.5 3.0 3.0 3.5 3.5 4.0 4.0 5.0 5.5 6.0 6.5 7.0 8.0 9.5 10.0 11.0 13.0 14.0 15.0 17.0 18.0 SCH 60 5.0 6.0 6.5 7.0 8.0 9.5 10.0 13.0 14.0 15.0 17.0 19.0 20.0 22.0 25.0 SCH 80 3.5 4.0 4.0 4.5 5.0 5.0 5.5 7.0 7.5 8.5 9.5 11.0 13.0 15.0 19.0 22.0 24.0 26.0 28.0 32.0 SCH 100 15.0 18.0 22.0 24.0 26.0 30.0 32.0 35.0 38.0 SCH 120 7.0 8.0 9.0 11.0 14.0 15.0 18.0 22.0 25.0 28.0 32.0 35.0 38.0 42.0 45.0 SCH 140 20.0 25.0 28.0 32.0 36.0 40.0 45.0 48.0 52.0 SCH 160 5.0 5.5 6.5 6.5 7.0 8.5 9.5 11.0 14.0 16.0 18.0 24.0 28.0 34.0 36.0 40.0 45.0 50.0 54.0 60.0 XXS 7.5 8.0 9.0 10.0 10.0 11.0 14.0 15.0 17.0 19.0 22.0 23.0 25.0 26.0 地 址：大庆市龙凤区 电 话： 传 真：