具有很高抗拉强度的材料。由于具有抗磨损性能，因此特别适用于要求微分硬度的应用场合。与高纯度铬合金钢相比，具有更好的耐腐蚀性能。

Very high tensile material. Very good when differential hardness is required due to its resistance to galling. Higher corrosion resistance than high straight chrome alloy steels.

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常用的评价合金材料抗变色性能的方法主要有肉眼观察法、称重法、腐蚀膜显微分析法和分光光度计法。

The common methods to evaluate alloy's anti-tarnishing capability include mainly naked eye observation, weighing weight, microcosmic analysis of corrosion film and spectrophotometer.

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