What welding wire is used for 42crMo material?
DJ062 high-strength and tough welding rod is recommended for welding 42CrMo. The weld metal contains Mn, Cr, Ni and other alloys, and the weld metal is non magnetic. Corrosion resistance, excellent strength and toughness, high temperature resistance and work hardening.
Good welding process, suitable for both AC and DC applications. DC welding is preferred for welding various alloy steels such as spring steel, high manganese steel, 42CrMo, 38CrMoAl screws, cast steel gears, etc. It can also be used for welding of dissimilar steels.
Bake the welding rod at 200 ℃ for 1 hour before welding, and use low current welding. Pay attention to ventilation.
Welding process: Clean the surface of the welded part before welding, without heating, and apply welding directly. Use a DC welding machine for better results. After welding, use a small hammer to strike to eliminate stress and reduce the occurrence of cracks. After welding, use lime and sand cotton for insulation.
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