HMW Härterei Michael Welser

Oxidizing

Oxidizing

Blackoxide

The oxidation of the workpieces can be performed as a separate process, or ideally in conjunction with nitriding processes. Depending on the quality of steel, oxidizing creates an anthracite black surface and has the advantage of protecting the workpieces from corrosion.

The oxide layer is 1 – 3 µm. In addition, oxidizing also improves sliding and friction properties.

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