API 5L/ASTM A106 GR.B, tuyaux en acier au carbone ERW公称通径DN外径OD(mm)SCH40(6m/5.8m)SCH80(6m/5.8m)SCH160(6m/5.8m)壁厚WTFOB et WTFOB壁厚WTFOB(mm)USD/TON(mm)USD/TON(mm)USD/TON1/4''13.72.241,015.06 3.021,015.06 //3/8''17.12.311,015.06 3.21,015.06 // 1/2''21.32.771.015.06 3.731.015.06 4.781.040.34 3/4''26.72.871.015.06 3.