GEN 413 Overview
GEN 413 is used for welding 70‐30, 80‐20 and 90‐10 copper nickel alloys. It can also be used for dissimilar
joining applications such as copper‐nickel alloys to nickel alloys. GEN 413 is occasionally used for overlay on
carbon steel after applying a layer of ERNi‐1.
AWS Chemical Composition (Typical)
| %Ni | %Cu | %Fe | %Pb | %Mn |
|---|---|---|---|---|
| 29.0 – 32.0 30.91 |
Rem. 67.2 |
0.40 – 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 – 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) | 1/16” (1.6 mm) | 14 – 18 | 90 – 130 | 100% Ar |
| 3/32” (2.4 mm) | 15 – 20 | 125 – 175 | 100% Ar | |
| 1/8” (3.2 mm) | 15 – 20 | 150 – 220 | ||
| MIG (GMAW) | .035” (0.9 mm) | 26 – 29 | 150 – 190 | 98% Ar – 2% O2 |
| .045” (1.1 mm) | 28 – 32 | 180 – 220 | 98% Ar – 2% O2 | |
| Sub Arc (SAW) | .093” (2.4 mm) | 28 – 30 | 275 – 350 | |
| .125” (3.2 mm) | 29 – 32 | 350 – 450 |