Description: AFM 622 is used for welding nickel-chromium-molybdenum alloy (622) to itself, to
steel, to other nickel-base alloys (such as 625 & C276), and for cladding steel with nickel-chromium-molybdenum weld metal using the GTAW, GMAW, and PAW processes.
Chemical Composition Requirements for Undiluted Weld Metal: |
(C) |
Carbon |
0.015 |
| (Co) |
Cobalt |
2.5 |
| (Cr) |
Chromium |
20.0 to 22.5 |
| (Cu) |
Copper |
0.50 |
| (Fe) |
Iron |
2.0 to 6.0 |
| (Mn) |
Manganese |
0.50 |
(Mo) |
Molybtenum |
12.5 to 14.5 |
| (Ni) |
Nickel |
BAL * |
(P) |
Phosphorus |
0.02 |
(S) |
Sulfer |
0.010 |
| (Si) |
Silicon |
0.08 |
| (V) |
Vanadium |
0.35 |
| (W) |
Tungsten |
2.5 to 3.5 |
|
All Other |
0.50 |
* Includes incidental cobalt
All values are considered maximum, unless other-wise noted.
Typical As-Welded Tensile Strengths (min.):
- Tensile Strength, psi - 100,000
- MPa - 690
- Elongation, (%) 25
Standard Sizes: 36Ħħ TIG-1/16 (1.6), 3/32 (2.4), 1/8 (3.2), & 5/32 (4.0) 30# spools-.035 (1.0), .045 (1.2), & 1/16 (1.6)
Corresponding Classification in AWS A5.11 is AFM 122 EniCrMo-10. |
