How To Tig Weld Cast Iron Engine Block. The broken cast iron pieces were TIG welded using a 2 Thoriated Tungsten and Argon Gas. Small tack welds were used.
This means soaking the engine block in boiling water to remove any leftover oils that may be present. Prepping the areas youll be welding starts here too. Note the steps carefully and decide whether your projects can benefit from cast-iron.
Ive had people try to get me to go for all kinds of sealers also all the way from water glass to silicone.
The welding method is TIG GTAW and the welder of choice is an air-cooled machine such as a Miller or HTP. The welding method is TIG GTAW and the welder of choice is an air-cooled machine such as a Miller or HTP. Note the steps carefully and decide whether your projects can benefit from cast-iron. Preheating and slow cooling of the component is the crux for the cast iron welding procedure.