GM 80SD2, ER 80SD2
AWS/SFA 5.28 ER 80S-D2
Copper coated solid wires alloyed 1.5% Mn, 0.40 % Mo intended for welding of similar composition used in power generating plant operating at welding of high tensile steels.
CHEMICAL ANALYSIS (RANGE) %
MECHANICAL PROPERTIES (RANGE)
• For welding low alloy steel AISI 4130, 4140 for the repair and fabrication of manganese molybdenum castings.
• AISI 4130, castings to ASTM A 487 2 A-B-C Fabrication of higher strength steels for off-shore oil well head process pipe work and fittings.
• Repair of medium strength low alloy steel castings. fabrication of steel to IS 8500-91 Gr 540B, 570B, 590B, IS2002-92Cr3
PREHEAT AND INTERPASS TEMPERATURE : 135 - 165ºC
SHIELDING GAS : 99.99% Argon, 7-12 l/min, and back purge.
WELDING CURRENT : DC (-)