API 5L/ASTM A106 GR.B, boriyeke pola karbonê ya bêserûber 公称通径 DN 外径OD(mm) SCH40(6m/5.8m) SCH80(6m/5.8m) SCH160(6m/5.8m) 厁OBT WT FOB 壁厚WT FOB (mm) USD/TON (mm) USD/TON (mm) USD/TON 1/4” 13,7 2,24 1,560,39 3,02 1,560,39 / / 3/8” 17,1 2,31 1,405...3,
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