Lastek 1222 C is a Cr-Mo alloyed Tig wire for joining heat resistant steels with a chromium content of approx. 2.5 % and a molybdenum content of approx.1.2 %.
The deposit is heat resistant up to 600 °C (1110 °F).
Good welding properties, also in position.
Steamproduction: boilers, overheating tubes, flanges, collectors, ...
Welding 10CrMo910, 10CrSiMoV7, GS12CrMo910, …
Preheating 200 °C to 300 °C depending on the base metal and workpiece thickness.
Stress-free annealing between 580 °C and 625 °C after welding is recommended for thicker pieces.