英制鋼管英寸對(duì)照表、鋼管內(nèi)外徑查詢表

英制鋼管英寸對(duì)照表、鋼管內(nèi)外徑查詢表 公稱外徑Nominal Diameter 外徑Outside Diameter(mm)厚度（mm）Nomial Wall Thickness N.BNPSSCH5SSCH10SSCH40S81/4″13.721.652.24103/8″17.151.652.31151/2″21.341.652.112.77203/4″26.671.652.112.87251″33.401.652.773.38321-1/4″42.161.652.773.56401-1/2″48.261.652.773.68502″60.331.652.773.91652-1/2″73.032.113.055.16803″88.902.113.055.49903-1/2″101.602.113.055.741004″114.302.113.056.021255″141.302.773.406.551506″168.282.773.407.112008″219.082.773.768.18