GEN 99 Overview
GEN 99 is used for GMAW and GTAW welding of cast iron. While the wire is primarily used to repair gray iron castings, it is also used for overlay and buildup. A preheat and interpass temperature of 350oF (175oC) minimum is recommended during welding.
Composición química de AWS (típica)
| %C | %Mn | %Ni | %Cu |
|---|---|---|---|
|
1.0 max
0.004
|
2.5 max
0.01
|
90 min
99.5
|
4.0 max
0.01
|
| %Si | %Fe | %S | Total |
|---|---|---|---|
|
0.75 max
0.11
|
4.0 max
0.15
|
0.03 max
0.001
|
1.0 max
<0.20
|
Propiedades mecánicas típicas del metal de soldadura
| Fuerza de Tensión | 67,500 psi | 465 MPa |
| Límite elástico | 35,000 psi | 241 MPa |
| Alargamiento | 40 % |
Typical Welding Parameters
| Proceso | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | 1/16” (1.6 mm) | 14 – 18 | 90 – 130 | 100% Ar |
| 3/32” (2.4 mm) | 15 – 20 | 120 – 175 | 100% Ar | |
| 1/8” (3.2 mm) | 15 – 20 | 150 – 220 | 100% Ar | |
| MIG (GMAW) | .035” (0.9 mm) | 29 – 33 | 160 – 180 | 75% Ar – 25% He |
| .045” (1.1 mm) | 29 – 33 | 180 – 220 | 75% Ar – 25% He | |
| .062” (1.6 mm) | 29 – 33 | 200 – 250 | 75% Ar – 25% He |