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AISI 304 (W4) vs AISI 316 (W5): Which Stainless Steel Do You Actually Need?
7 min read·10 February 2026·FIXO Engineering Team
Both are stainless, but the difference between W4 and W5 could mean the difference between a 1-year and a 10-year service life in certain environments. Here's how to decide.
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