GEN 316 Overview
GEN 316 is mainly used for welding molybdenum‐bearing stainless steel, such 316, 318 and 319. The presence of molybdenum provides improved resistance to pitting by corrosive liquids.
AWS Chemical Composition (Typical)
| %C | %Cr | %Ni | %Mo | %Mn |
|---|---|---|---|---|
| 0.08 max 0.043 |
18.0 – 20.0 18.35 |
11.0 – 14.0 11.3 |
2.0 – 3.0 2.11 |
1.0 – 2.5 1.76 |
| %Si | %P | %S | %Cu |
|---|---|---|---|
| 0.30 – 0.65 0.42 |
0.03 max 0.025 |
0.03 max 0.003 |
0.75 max 0.060 |
Typical Weld Metal Mechanical Properties
| Tensile Strength | 88,000 psi | 606 MPa |
| Yield Strength | 58,000 psi | 400 MPa |
| Elongation | 40 % |
Typical Welding Parameters
| Process | 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 – 175 | 100% Ar | |
| MIG (GMAW) | .035” (0.9 mm) | 29 – 33 | 160 – 180 | |
| .045” (1.1 mm) | 29 – 33 | 180 – 220 | 98% Ar – 2% O2 | |
| .063” (1.6 mm) | 29 – 33 | 210 – 250 | ||
| Sub Arc (SAW) | .093” (2.4 mm) | 29 – 32 | 300 – 350 | |
| .125” (3.2 mm) | 29 – 32 | 400 – 550 | ||
| .156” (4.0 mm) | 29 – 32 | 500 – 650 |