GEN 413 Overview
GEN 413 is used for welding 70โ30, 80โ20 and 90โ10 copper nickel alloys. It can also be used for dissimilar
joining applications such as copperโnickel alloys to nickel alloys. GEN 413 is occasionally used for overlay on
carbon steel after applying a layer of ERNiโ1.
AWS Chemical Composition (Typical)
| %Ni | %Cu | %Fe | %Pb | %Mn |
|---|---|---|---|---|
| 29.0 โ 32.0 30.91 |
Rem. 67.2 |
0.40 โ 0.75 0.55 |
0.02 max 0.005 |
1.0 max 0.78 |
| %Si | %P | %Ti | Total Others |
|---|---|---|---|
| 0.25 max 0.025 |
0.02 max 0.0015 |
0.20 โ 0.50 0.40 |
0.50 max |
Typical Weld Metal Mechanical Properties
| Tensile Strength | 52,500 psi | 362 MPa |
| Yield Strength | 21,000 psi | 145 MPa |
| Elongation (min.) | 30% |
Typical Welding Parameters
| Process | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | 1/16โ (1.6 mm) | 14 โ 18 | 90 โ 130 | 100% Ar |
| 3/32โ (2.4 mm) | 15 โ 20 | 125 โ 175 | 100% Ar | |
| 1/8โ (3.2 mm) | 15 โ 20 | 150 โ 220 | ย | |
| MIG (GMAW) | .035โ (0.9 mm) | 26 โ 29 | 150 โ 190 | 98% Ar โ 2% O2 |
| .045โ (1.1 mm) | 28 โ 32 | 180 โ 220 | 98% Ar โ 2% O2 | |
| Sub Arc (SAW) | .093โ (2.4 mm) | 28 โ 30 | 275 – 350 | ย |
| .125โ (3.2 mm) | 29 โ 32 | 350 โ 450 | ย |