API 5L/ASTM A106 GR.B, ERW Carbon Steel Pipe公称通径DN外径OD(mm)SCH40(6m/5.8m)SCH80(6m/5.8m)SCH160(6m/5.8m)壁厚WTFOB壁厚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.