API 5L/ASTM A106 GR.B, Tubería de acero al carbono sin costura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''13.72.241,226.81 3.021,226.81 //3/8''17.12.311,171.50 3.21,171.50 //1/2' '21.32.77964.09 3.73964.09 4.781.019,40 3/4''26.72.87936.44 3,9