sch和壁厚对照表-已阅

SCH表示壁厚等级；表示外径。DN外径mmSCH5sSCH10sSCH20sSCH20SCH30SCH40sSCH40SCH60SCH80sSCH80SCH100SCH120SCH140SCH160XXSmmmmmmmmmmmmmmmmmmkg/mmmmmmmkg/mmmmmmm10171.21.6 2.0 2.5 2.5 3.2 3.5 15221.62.0 2.5 3.0 3.0 4.0 4.0 5.0 7.5 20271.62.0 2.5 3.0 3.0 4.0 4.0 5.5 8.0 25341.62.8 3.0 3.5 3.5 4.5 4.5 6.5 9.0 (32)421.62.8 3.0 3.5 3.5 5.0 5.0 6.5 10.0 40481.62.8 3.0 4.0 4.0 5.0 5.0 7.0 10.0 50601.62.8 3.5 3.5 4.0 4.0 5.0 5.5 5.5 7.0 8.5 11.0 (65)762.0 3.0 3.5 4.5 5.0 5.0 6.0 7.0 7.0 8.0 9.5 14.0 80892.0 3.0 4.0 4.5 5.5 5.5 6.5 7.5 7.5 9.0 11.0 15.0 1001142.0 3.0 4.0 5.0 6.0 6.0 7.0 8.5 8.5 11.0 14.0 17.0 (125)1402.0 3.5 5.0 5.0 6.5 6.5 8.0 9.5 9.5 13.0 16.0 19.0 1501682.8 3.5 5.0 5.5 6.5 7.0 7.0 9.5 11.0 11.0 14.0 18.0 22.0 2002192.8 4.0 6.5 6.5 7.0 8.0 8.0 10.0 13.0 13.0 15.0 18.0 20.0 24.0 23.0 2502733.5 4.0 6.5 6.5 8.0 9.5 9.5 13.0 15.0 15.0 18.0 22.0 25.0 28.0 25.0 3003254.0 4.5 6.5 6.5 8.5 9.5 10.0 14.0 17.0 17.0 22.0 25.0 28.0 34.0 26.0 3503564.0 5.0 8.0 9.5 11.0 15.0 19.0 24.0 28.0 32.0 36.0 4004064.55.0 8.0 9.5 13.0 17.0 22.0 26.0 32.0 36.0 40.0 4504578.0 11.0 14.0 19.0 24.0 30.0 35.0 40.0 45.0 5005089.5 13.0 15.0 20.0 26.0 32.0 38.0 45.0 50.0 5505599.5 13.0 17.0 22.0 28.0 35.0 42.0 48.0 54.0 6006109.5 14.0 18.0 25.0 32.0 38.0 45.0 52.0 60.0 备注:SCH*s指奥氏不锈钢,壁厚超过SCH80s按碳钢管选用带括号者不推荐使用美标 ASTM A182 Gr F22 对应中国在美标材质中，A182开头的材质都是不锈钢，GR:等级（GRADE）F22:锻件，具体是12Cr1MoV 25Cr2MoV 20Cr1Mo1VAPIPE,SMLS,:pipe seamless(无缝管) BE,：beveled（坡口） S-20,：sch20 管件的壁厚 CS：cast steel 铸铁 ASTM： American Society of Testing Materials 美国材料试验协会， SA106：美标的一个标准 GR.B,：grade b B等级 ASME:ASME是American Society of Mechanical Engineers（美国机械工程师协会）的英文缩写. ASME-B36.10M:这里的意思-boiler and pressure vessel code(气压标准) by the way:B