904 L (electr.) · 807MTC0001

MTC - Stick electrode, size: 2.5 mm Ø, 300 mm long, 50 - 70 A, PU = 131 pieces / 4.0 kg

Stick electrode, size: 2.5 mm Ø, 300 mm long, 50 - 70 A, PU = 131 pieces / 4.0 kg | 904 L (electr.)
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Description
Stick electrode, size: 2.5 mm Ø, 300 mm long, 50 - 70 A, PU = 131 pieces / 4.0 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.

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
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807MTC0001
MTC 807MTC0001
Stick electrode, size: 2.5 mm Ø, 300 mm long, 50 - 70 A, PU = 131 pieces / 4.0 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.

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