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A low hydrogen DC(+) electrode yielding 2.5% Ni in the weld deposit, ideally suited for welding fine-grained steels and Ni steels especially for service temperatures down to minus 60°C. The weld metal possesses strength combined with excellent sub-zero temperature notch toughness. Typical applications include storage tanks, pressure vessels, containers and piping for liquefied gases like propane and butane.
1. Ensure the electrodes are dry. Re-dry the electrodes at 250-300°C for one hour.
2. Restrict the heat input to a minimum during welding to achieve better properties.
(PWHT 605 C FOR 1 HR)
|UTS||YS||Elongation||CVN Impact Strength (J)|
|(MPa)||(MPa)||(L= 4d)%||at Minus 60°C|
|Current Range (Amps)||200-270||150-190||100-135||80-100|