OK Tigrod 13.26 GTAW ER80S-G Description OK Tigrod 13.26 is a 0.8Ni-0.3Cu-alloyed, copper- coated solid rod for the GTAW of weathering steels such as COR-TEN, Patinax, Dillicor and so on. It is also suitable for high strength steels with a yield strength of up to 470MPa. Welding current DC(-) Classifications SFA/AWS A5.28 ER80S-G Wire composition C Si Mn Ni Cu 0.1 0.8 1.4 0.8 0.4 Typical mech. properties all weld metal Yield stress, MPa 480 Tensile strength, MPa 580 Elongation, % 30 Charpy V Test temps, °C Impact values, J +20 110 -20 70 -40 60 Approvals DNV IV YM