OK Tigrod 13.23 GTAW ER80S-Ni1 Description OK Tigrod 13.23 is a 0.9Ni-alloyed (ER80S-Ni1), copper-coated rod for the GTAW of low-temperature, fine-grained steels. The wire provides good impact toughness down to -50°C and is especially suitable for use in the offshore industry. Welding current DC(-) Classifications SFA/AWS A5.28 ER80S-Ni1 Wire composition C Si Mn Ni Mo 0.08 0.6 1.0 0.9 0.3 Typical mech. properties all weld metal Yield stress, MPa 500 Tensile strength, MPa 600 Elongation, % 25 Charpy V Test temps, °C Impact values, J 0 230 -20 200 -46 140 -60 90