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''13.72.241,090.74 3.021,090.74 //3/8''17.12.311,024.02 3.21,024.02 //1/2''21.32.77843.90 3.73843.90 4.78897.27 3/4''26.72.87810.54 3.918