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Steam s not finishing8/22/2023 I have heard about companies that heat steel parts up to 1100 ☏ and then introduce steam to create an Fe 30 4 surface. Hello, I am tying to find out about the process of steam blackening. I am wondering whether this black finish is actually a black oxide layer, or is it just a scale? Can we instead heat the workpiece, and quench/dip it to water? I am asking this because heat treatment process also produces a black finish. I read something about black oxidizing by means of subjecting the workpiece to superheated steam (300 ☌ or about 600 ☏).
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