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''13.72.241,211.01 3.021,211.01 //3/8''17.12.311,198.37 3.21,198.37 //1/2' '21.32.77932.88 3.73932.88 4.78958.17 3/4''26.72.87920.24 3.919