ERW Pipe 1>Standard: ASTM A53, DIN1626, API5L, API5 CT 2>Grade: Q195, Q235, Q345, S235JR 3>OD: 6mm - 610mm 4>WT: 0.3mm - 22m ERW Pipe1> Standard: ASTM A106, ASTM A53, ASTM A179, ASTM A192,DIN1626, API5L, API5 CT2> Grade: ASTM A53 Gr. A & B, ASTM A106 Gr. A & B &C, API 5L GR.B, X46, X56, X60, X65, X70 3> Outer Diameter: 6mm-610mm (1/16"-24")4> Thickness: 0.3mm-22mm5> Length: 0.5m-20m(fixed or ...