Description:
A copper coated, low-alloyed, chromium-molybdenum (2,5% Cr, 1,1 % Mo), solid wire for GMAW of creep resistant steels like SA-387 Grade 22, A335 Grade P22 or similar materials. High purity wire with a guaranteed Bruscato factor X<15. Preheat and interpass temperature 200-350 °C. Usually welding is followed by a stress relieving heat treatment at 600-700 °C
Welding current: DC-
Wire composition, wt.%
| |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
X |
| Min |
0.07 |
0.40 |
0.40 |
|
|
2.30 |
0.90 |
|
|
| Typical |
0.08 |
0.5 |
0.5 |
0.01 |
0.01 |
2.4 |
1.0 |
0.15 |
|
| Max |
0.12 |
0.70 |
0.70 |
0.025 |
0.015 |
2.70 |
1.20 |
0.35 |
15 |