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Martensitic anti-wear steel

Time: 2021-04-03 Views: 0

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By adding several alloying elements that improve the hardenability of steel at the same time, the martensitic structure of the steel is obtained, thereby obtaining high hardness. For example, a Si. Mn-Cr-Mo-Ni martensitic anti-wear cast steel, chemical composition: C0.4~0.6%, Mn1.3~1.5%, Si0.7~1. O%, Cr0.7~O. 9%, Ni l. 5%. This kind of steel has strong hardenability. For castings with a thickness of 125mm, the martensite structure can be obtained when air-cooled, so it can be used for thick and wear-resistant parts. Its hardness is more than twice that of pearlite anti-wear steel, and it has high abrasion resistance; it also has a certain toughness and can adapt to the working conditions of impact and wear.

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