A welder fuses a cast iron component to a steel plate, with visible sparks and a focused arc under controlled lighting.

Can You Weld Cast Iron to Steel and Get Strong Results?

Welding cast iron to steel is absolutely doable, but it’s not the kind of job you want to rush into. These two metals behave very differently when heated, and unless you prep properly and use the right filler, your weld could crack—or completely fail—after cooling. If you’re tackling a repair that involves joining cast iron…

A close-up of TIG welding on a cast iron engine block, with a glowing arc and filler rod guided by gloved hands in a workshop setting.

How to TIG Weld a Cast Iron Engine Block Without Cracks

Welding cast iron—especially when it’s something as important as an engine block—takes patience, the right filler, and careful prep. It’s not your everyday welding job, but with the right steps, TIG welding cast iron is totally possible, even in a home garage or small shop. Whether you’re fixing a cracked block on an older vehicle…

A welder in full protective gear repairs a cracked engine block with a TIG torch, as sparks and blue smoke rise from the glowing weld seam in a workshop setting.

Can You Weld a Cracked Engine Block Without Replacing It?

A cracked engine block can be one of the most alarming issues for any vehicle owner or mechanic, but welding it might offer a second chance. Before deciding whether to repair or replace a damaged engine block, it’s important to understand the feasibility, risks, and methods involved in welding it. What Causes an Engine Block…