GEN 385 Overview
GEN 385 is mainly used for welding of ASTM B625, B673, and B677 (UNS N08904) materials for handling of sulfuric acid and many chloride containing media. It can also be used for joining UNS N08904 base metals to other grade of stainless steels.
ComposiciĂłn quĂmica de AWS (tĂpica)
| %C | %Cr | %Ni | %Mo | %Mn |
|---|---|---|---|---|
| 0.025 max 0.010 |
19.5 â 21.5 19.94 |
24.0 â 26.0 25.10 |
4.2 â 5.2 4.30 |
1.0 â 2.5 1.66 |
| %Si | %P | %S | %Cu |
|---|---|---|---|
| 0.50 max 0.35 |
0.02 max 0.013 |
0.03 max 0.001 |
1.2 â 2.0 1.46 |
Propiedades mecĂĄnicas tĂpicas del metal de soldadura
| Fuerza de TensiĂłn | 83,000 psi | 572 MPa |
| LĂmite elĂĄstico | 55,000 psi | 379 MPa |
| Alargamiento | 35 % |
Typical Welding Parameters
| Proceso | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | 1/16â (1.6 mm) | 14 â 17 | 80 â 125 | 100% Ar |
| 3/32â (2.4 mm) | 15 â 20 | 125 â 200 | 100% Ar | |
| 1/8â (3.2 mm) | 16 â 20 | 150 â 225 | ||
| MIG (GMAW) | .035â (0.9 mm) | 26 â 31 | 150 â 230 | 98%Ar â 2%O2 |
| .045â (1.1 mm) | 28 â 33 | 180 â 280 | 98%Ar â 2%O2 | |
| Sub Arc (SAW) | .093â (2.4 mm) | 28 â 31 | 270 â 350 | |
| .125â (3.2 mm) | 29 â 33 | 325 â 475 |