IDENTIFICATION
GM 80SD2, ER 80SD2
CLASSIFICATION
AWS/SFA 5.28 ER 80S-D2
DESCRIPTION
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) %
| C | Mn | Si | Mo | P | S | Cu |
| 0.07 - 0.12 | 1.60 - 2.10 | 0.50-0.60 | 0.40 - 0.60 | 0.025 max | 0.025 max | 0.35 max |
MECHANICAL PROPERTIES (RANGE)
| UTS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 550 min | 470 min | 17 min | -30°C | 27 min |
TYPICAL APPLICATIONS
• 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 (-)
PACKING PARAMETERS
| Size (mm) | Weight / Spool (kg) |
| 1.2 | 12.50 / 15.0 |
| 1.6 | 12.50 / 15.0 |