Nitriding the most widely used gas nitriding, heating temperature 500-600℃. Nitrogen atoms form nitrides with aluminum, chromium and molybdenum on the surface of steel, with a general depth of 0.1-0.6mm. The nitride layer can obtain a very high hardness without quenching, and this performance can be maintained to 600-650℃. The workpiece deformation is small, can prevent the corrosion of water, steam, alkaline solution. But the production cycle is long, the cost is high, the nitriding layer is thin and brittle, it is not suitable to bear the concentrated heavy load. Mainly used to deal with important and complex precision parts.
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