API 5L/ASTM A106 GR.B, naadloze koolstofstalen buis 公称通径 DN 外径OD(mm) SCH40(6m/5,8m) SCH80(6m/5,8m) SCH160(6m/5,8m) 壁厚WT EXW 壁厚WT EXW 壁厚WT EXW (mm) USD/TON (mm) USD/TON (mm) USD/TON 1/4” 13,7 2,24 1.564,69 3,02 1.564,69 / / 3/8” 17,1 2,31 1.408,44 3,2 1,40...
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