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''13.72.241,046.66 3.021,046.66 //3/8''17.12.31983.45 3.2983.45 //1/2''21.32.77793.82 3.73793.82 4.78819.10 3/4''26.72.87755.89 3.91755.8