API 5L/ASTM A106 GR.B، أنابيب الصلب الكربوني غير الملحومة، DN OD(mm)SCH40(6m/5.8m)SCH80(6m/5.8m)SCH160(6m/5.8m)WTFOB壁،WTFOB WTFOB(mm)USD/TON(mm)USD/TON(mm)USD/TON1/4''13.72.241,109.41 3.021,109.41 //3/8''17.12.311,041.54 3.21,041.54 //1/2' '21.32.77858.31 3.73858.31 4.78912.60 3/4''26.72.87824.38 3.918