EPISODE · Feb 24, 2026 · 42 MIN
Welding 102: Stainless Steel
from Two Guys Garage Podcast · host Brenton Productions
Moving from bolting parts to burning steel is the ultimate step in creative freedom, but stainless steel brings its own set of rules. The guys welcome Mark Prosser once again to the podcast to discuss stainless welding tips, including why dedicated wire brushes are a must and how to balance amperage with travel speed. From the metallurgy of 304 vs. 321 alloys to the high-stakes world of back purging, Mark breaks down why stainless is a unique beast compared to mild steel. Whether you’re building a turbo manifold or custom exhaust, discover how to use gas lenses, manage thermal expansion, and nail "the dip" to achieve those perfect, Instagram-ready welds.
What this episode covers
Moving from bolting parts to burning steel is the ultimate step in creative freedom, but stainless steel brings its own set of rules. The guys welcome Mark Prosser once again to the podcast to discuss stainless welding tips, including why dedicated wire brushes are a must and how to balance amperage with travel speed. From the metallurgy of 304 vs. 321 alloys to the high-stakes world of back purging, Mark breaks down why stainless is a unique beast compared to mild steel. Whether you’re building a turbo manifold or custom exhaust, discover how to use gas lenses, manage thermal expansion, and nail "the dip" to achieve those perfect, Instagram-ready welds.
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Welding 102: Stainless Steel
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