Скачать или смотреть Welding Techniques for Cast Iron: Everything You Need to Know

Welding cast iron can be tricky, but with the right prep and technique it’s absolutely doable. In this video, I walk through repairing a cracked cast iron exhaust manifold step by step – from identifying the crack, prepping the metal, choosing the right rod, and making strong welds that last.

Timestamps:
0:00 Intro – Welding cast iron exhaust manifold
0:18 Identifying the crack and problem
0:57 Different types of cast iron explained
1:46 Choosing the right welding rod (Supercast 90)
3:06 Cleaning and prepping the cast iron for welding
5:15 Chasing cracks and proper prep work
6:05 Safety warning about brake clean and phosgene gas
7:09 Burning out oil and final surface prep
9:00 Welding setup – polarity, amps, and short weld technique
10:23 Welding results, adjusting settings, and grinding
12:26 Final thoughts and proven cast iron repair

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