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.
AWS 化学成分（典型）
| %C | %Cr | %Ni | %Mo | %Mn |
|---|---|---|---|---|
| 0.025 max 0.010 |
19.5 – 21.5 19.94 |
24.0 – 26.0 25.10 |
4.2 – 5.2 4.30 |
1.0 – 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 – 2.0 1.46 |
典型的焊接金属机械性能
| 抗拉强度 | 83,000 psi | 572 MPa |
| 屈服强度 | 55,000 psi | 379 MPa |
| 伸长 | 35 % |
Typical Welding Parameters
| 过程 | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| 氩弧焊 (GTAW) | 1/16” (1.6 mm) | 14 – 17 | 80 – 125 | 100% Ar |
| 3/32” (2.4 mm) | 15 – 20 | 125 – 200 | 100% Ar | |
| 1/8” (3.2 mm) | 16 – 20 | 150 – 225 | ||
| 米格 (GMAW) | .035” (0.9 mm) | 26 – 31 | 150 – 230 | 98%Ar – 2%O2 |
| .045” (1.1 mm) | 28 – 33 | 180 – 280 | 98%Ar – 2%O2 | |
| Sub Arc (SAW) | .093” (2.4 mm) | 28 – 31 | 270 – 350 | |
| .125” (3.2 mm) | 29 – 33 | 325 – 475 |