Black Oxide Coating Services: Mild Corrosion Protection & Matte Finish

Black Oxide Coating Services: Mild Corrosion Protection & Matte Finish Black oxide coating (often called bluing or blackening) converts the top layer of steel into magnetite—a uniform, matte-black finish that adds almost no thickness. Because it’s a chemical conversion of the surface rather than a deposited layer, dimensions stay put and there are no rack […]

