钢材大致可分为四类：炭素钢，合金钢，高强度低合金钢和不锈钢。
There are four broad classifications of steel: carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
虽然K - 5的机身紧凑、小巧，但是却异常坚固和耐用，外壳采用耐用且轻量的镁金属合金，骨架采用高强度的不锈钢合金。
Despite its compact dimensions, the K-5 is built to be exceptionally solid and durable, with a body of sturdy yet lightweight magnesium alloy, and a chassis of highly rigid stainless steel.
分析了合金元素在高强度双相不锈钢中的作用以及合金元素和热处理工艺对组织和性能的影响。
Effects of alloying elements in the stainless steel and heat treatment on microstructure and mechanical properties were analyzed.
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