IDENTIFICATION
GM 80SB2, ER 80SB2
CLASSIFICATION
AWS/SFA 5.28 ER 80S-B2, DIN 8575-84 SGCr Mo 1
DESCRIPTION
Copper coated solid wires alloyed 1.25% Cr/0.5% Mo intended for welding creep resisting steels of similar composition used in power generating plant operating at temperature up to 570ºC. Deposited weld metal meets X-ray quality.
CHEMICAL ANALYSIS (RANGE) %
| C | Mn | Si | S | P | Cr | Mo | Cu |
| 0.07 - 0.12 | 0.40 - 0.70 | 0.40 - 0.70 | 0.025 max | 0.025 max | 1.2 - 1.5 | 0.40 - 0.65 | 0.35 max |
MECHANICAL PROPERTIES (RANGE)
| TS (N/mm²) | YS (N/mm²) | EL (%) (L=4D) |
| 550-640 | 470 - 540 | 20 - 26 |
TYPICAL APPLICATIONS
In general usable on the following grades of creep resistant steels.
PREHEAT AND INTERPASS TEMPERATURE : 135 - 165ºC
SHIELDING GAS : 99.99 % Ar, 7-12 l/min, and back purge or as per requirements.
WELDING CURRENT : DC (-)
PACKING PARAMETERS
| Size (mm) | Weight / Spool / Drum (kg) |
| 0.8 | 15.0 Kg |
| 1.2 | 15.0 Kg |
| 1.6 | 15.0 Kg |
| 1.20 (Drum Pack) | 250.0 Kg |