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''13.72.241,244.82 3.021,244.82 //3/8''17.12.311,176.22 3.21,176.22 //1/2''21.32.77888.10 3.73888.10 4.78888.10 3/4''26.72.87860.66 3.918