GRITINOX 312 E 312-17
AWS/SFA 5.4 : E 312-17
A rutile coated electrode depositing austenitic / ferritic stainless steel weld metal with a ferrite content of approximately FN 40. The weld metal exhibits excellent tolerance to dilution from dissimilar and difficult to weld materials without hot cracking.
WELD METAL ANALYSIS (RANGE) %
MECHANICAL PROPERTIES (RANGE)
HARDNESS OF THE UNDILUTED WELD METAL : 180 - 220 Brinell
Difficult to weld steels e.g. high carbon hardenable tool, die and spring steels, 13 % Mn steels, free cutting steels, high temperature steels, dissimilar joints between stainless and high carbon steels, surfacing metal-to-metal areas, hot working tools, furnace components.
• Spray type metal transfer.
• Smooth weldbead, electrode does not get red hot.
• Easy deslagging.
• Very low spatter loss, soft arc.
• Excellent weldability for all steels.
WELDING PROCEDURE : Clean weld area. Bevel heavy sections. Use recommended current. Dry the electrodes at 200°C / 2 hrs. Use short arc.
CORROSION RESISTANCE : Good resistance to sulphurous gases at high temperature. Good resistance to wet corrosion upto approximately 300°C.
WELDING POSITION :