GEN 312 Overview
GEN 312 is used to weld cast alloys of similar chemical composition. It is also used to weld dissimilar metals
and weld overlays. Its weld deposit contains significant percentage of ferrite in an austenite matrix and thereby highly resistance to weld metal cracks and fissures.
Composición química de AWS (típica)
| %C | %Cr | %Ni | %Mo | %Mn |
|---|---|---|---|---|
|
0.15 max 0.10 |
28.0 – 32.0 30.2 |
8.0 – 10.5 8.9 |
0.75 max 0.17 |
1.0 – 2.5 1.8 |
| %Si | %P | %S | %Cu |
|---|---|---|---|
|
0.30 – 0.65 1.80 |
0.03 max 0.02 |
0.03 max 0.01 |
0.75 max 0.15 |
Propiedades mecánicas típicas del metal de soldadura
| Fuerza de Tensión | 105,000 psi | 724 MPa |
| Límite elástico | 75,000 psi | 517 MPa |
| Alargamiento | 25% |
Typical Welding Parameters
| Proceso | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | 1/16” (1.6 mm) | 14 – 17 | 90 – 130 | 100% Ar |
| 3/32” (2.4 mm) | 15 – 20 | 125 – 200 | 100% Ar | |
| 1/8” (3.2 mm) | 16 – 20 | 200 – 350 | 100% Ar | |
| MIG (GMAW) | .035” (0.9 mm) | 28 – 32 | 160 – 190 | 98%Ar – 2%O₂ |
| .045” (1.1 mm) | 29 – 33 | 180 – 220 | 98%Ar – 2%O₂ | |
| Sub Arc (SAW) | .093” (2.4 mm) | 28 – 32 | 250 – 450 | |
| .125” (3.2 mm) | 29 – 33 | 300 – 500 |