Will Blackening Stainless Steel Affect My Part Tolerances?

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Specifying blackened finishes on precision stainless parts creates immediate tolerance concerns. After processing hundreds of blackened components for medical and aerospace assemblies, coating thickness can make or break tight-fitting designs. Most blackening processes add 0.5–25 µm of coating thickness, potentially affecting critical dimensions. PVD coatings are thinnest at 1–5 µm, while chemical conversion can reach […]

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