Medium and High Tensile Steel

A low hydrogen, iron powder type electrode for welding steels having tensile strength up to 70 kgf/mm². Ideally suited for welding fine-grained steels, high tensile steels used in bridges, penstocks, tanks, etc. The weld metal possesses o excellent toughness at sub-zero temperatures down to minus 50°C. Typical applications include welding of grain-refined steels, Q&T steels, HSLA steels, pressure vessels, structural fabrication, etc.

1. Ensure the electrodes are dry. Re-dry the electrodes at 250-300°C for one hour.

2. When welding grain refined and Q&T steels, control the heat input by using: (a) Stringer bead. (b) Control over preheat and interpass temperature. (c) Short arc.