Product: ERW Pipe. Process: Electrical Resistance Weld. Standard: ASTM A53, ASTM A36, ASTM A139, EN 10210, EN 10219. Material: GR.B, S235JRH, S275JOH, S275J2H, S355JOH, S355H2H. O.D: 1/226(21.3660mm). W.T: 0.0551.602(1.6526.97mm). Length: As per cust.