GEN 316LSi Overview
GEN 316LSi shares the same characteristics as GEN 316L. The high silicon content allows better arc stability along with smoother bead appearance while the low carbon content offers excellent resistance against carbide precipitation.
AWS Chemical Composition (Typical)
| %C | %Cr | %Ni | %Mo | %Mn |
|---|---|---|---|---|
| 0.03 max 0.016 |
18.0 – 20.0 18.4 |
11.0 – 14.0 11.9 |
2.0 – 3.0 2.5 |
1.0 – 2.5 1.7 |
| %Si | %P | %S | %Cu |
|---|---|---|---|
| 0.65 – 1.00 0.84 |
0.03 max. 0.02 |
0.03 max. 0.01 |
0.75 max. 0.16 |
Typical Weld Metal Mechanical Properties
| Tensile Strength : | 86,000 psi | 593 MPa |
| Yield Strength : | 58,000 psi | 400 MPa |
| Elongation : | 35 % |
Typical Welding Parameters
| Process | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | 1/16” (1.6 mm) | 14 – 17 | 80 – 150 | 100% Ar |
| 3/32” (2.4 mm) | 15 – 20 | 150 – 250 | 100% Ar | |
| 1/8” (3.2 mm) | 16 – 20 | 200 – 375 | 100% Ar | |
| MIG (GMAW) | .035” (0.9 mm) | 22 – 23 | 180 – 210 | 98%Ar – 2%O₂ |
| .045” (1.1 mm) | 23 – 25 | 190 – 250 | 98%Ar – 2%O₂ | |
| Sub Arc (SAW) | .093” (2.4 mm) | 28 – 32 | 250 – 450 | |
| .125” (3.2 mm) | 29 – 33 | 300 – 500 |