GEN 825 Overview
GEN 825 รจ utilizzato per la saldatura TIG, MIG e SAW di leghe di nichel-ferro-cromo-molibdeno-rame. Puรฒ essere utilizzato anche per la sovrapposizione di rivestimenti quando รจ richiesta una composizione chimica simile.
AWS Chemical Composition (Typical)
| %C | %Cr | %Ni | %Mo | %Ti | %Fe | %Mn |
|---|---|---|---|---|---|---|
|
0.05 max.
0.85
|
0.01
21.5
|
19.5 โ 23.5
39.5
|
38.0 โ 46.0
3.10
|
2.5 โ 3.5
0.60 โ 1.20
|
22.0 min.
32.7
|
1.0 max.
0.50
|
| %Si | %P | %S | %Cu | %Al | Total Others |
|---|---|---|---|---|---|
|
0.50 max.
0.25
|
0.03 max.
0.015
|
0.03 max.
0.002
|
1.5 โ 3.0
1.9
|
0.20 max.
0.14
|
0.50 max.
|
Typical Weld Metal Mechanical Properties
| Tensile Strength | 88,000 psi | 607 MPa |
| Yield Strength | 61,000 psi | 420 MPa |
| Elongation | 34% |
Typical Welding Parameters
| Process | Diameter | Voltage | Amperage | Gas/Flux |
|---|---|---|---|---|
| TIG (GTAW) | .093โ (2.4 mm) | Direct Current | 100% Ar | |
| MIG (GMAW) | .035โ (0.9 mm) | 29 โ 33 | 160 โ 190 | 75% Ar โ 25% He |
| .045โ (1.1 mm) | 29 โ 33 | 180 โ 220 | 75% Ar โ 25% He | |
| .062โ (1.6 mm) | 29 โ 33 | 210 โ 250 | 75% Ar โ 25% He | |
| Sub Arc (SAW) | .093โ (2.4 mm) | 29 โ 32 | 300 โ 350 | |
| .125โ (3.2 mm) | 29 โ 32 | 400 โ 550 | ||