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Soft nitrogen turns heat treatment
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4, because soft nitrogen changes a posture of nonexistent brittleness ξ , reason nitrogen changes the tenacity with be had the layer is hard and certain, flake not easily.

Accordingly, in producing at present, soft nitrogen changes Si to apply extensively at mould, measure, cutting tool (be like: High-speed steel cutting tool) wait, the processing of the wear-resisting workpiece such as cylinder bushing of crankshaft, gear, gas, mechanical structural member.

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