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''13.72.241,077.35 3.021,077.35 //3/8''17.12.311,009.80 3.21,009.80 //1/2''21.32.77807.14 3.73807.14 4.78834.16 3/4''26.72.87766.60 3.917