API 5L/ASTM A106 GR.B, tuyaux en acier au carbone sans soudure DN et OD(mm) SCH40 (6 m/5,8 m) SCH80 (6 m/5,8 m) SCH160 (6 m/5,8 m) et WTFOB et WTFOB壁厚WTFOB(mm)USD/TON(mm)USD/TON(mm)USD/TON1/4''13.72.241,010.38 3.021,010.38 //3/8''17.12.31946.26 3.2946.26 //1/2' '21.32.77773.11 3.73773.11 4.78824.42 3/4''26.72.87741.05 3.91741.0