API 5L/ASTM A106 GR.B, Seamless 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''13.72.241,575.89 3.021,575.89 //3/8''17.12.311,420.85 3.21,420.85 //1/2''21.32.771,172.79 3.731,172.79 4.781,234.81 3/4''26.72.871,141.