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Why Passivation Matters for Stainless Steel Machined Parts

Stainless steel earns its reputation for corrosion resistance, but that reputation depends on a surface condition that machining can easily compromise. Cutting tools, fixtures, and handling can leave behind free iron and other contaminants that undermine the material’s natural defenses. Passivation is the finishing step that restores those defenses, and for OEMs in aerospace, defense, …