904 L (electr.) · 807MTC0002
Stick electrode, size: 3.2 mm Ø, 350 mm long, 70 - 100 A, PU = 97 pieces / 5.0 kg, DIN 8556: E 20 25 5 Cu LR 23; material number: corresponds to 1.4519; NF A 81 - 343: EZ 20.25.5 L Cu R 26; EN 1600: E 20 25 5 Cu LR 32.
Description
Rutile coated electrode for welding high-alloy steels with increased corrosion resistance against reducing media. Weld metal made of copper-containing fully austenitic chromium-nickel-molybdenum steel with high molybdenum and particularly low carbon content for operating temperatures up to +350°C.
|
|
Directional analysis of the pure weld metal in % |
C |
Si |
Mn |
Cr |
Mo |
Ni |
N |
0,025 |
0,3 |
1,6 |
20 |
4,5 |
25 |
1,5 |
|
|
Microstructure
Solid austenite
|
|
Special remarks
Solid austenitic, hot crack resistant weld metal with high chemical resistance to stress corrosion cracking and pitting even in chlorinated and non-oxidising media. Proven for use on seawater desalination plants. Operating temperatures from -60°C to +350°C, mixed joints up to +350°C
|
|
Re-drying
Generally not required. However, the shell can withstand re-drying up to + 350°C
|
Directly into the shopping cart