Bewise Inc. www.tool-tool.com
Reference source from the internet.
不 锈钢的定义是在空气中或化学腐蚀介质中能够抵抗腐蚀的一种高合金钢，不锈钢是具有美观的表面和良好的耐腐蚀性能，不必经过镀色等表面处理，而发挥不锈钢所 固有的表面性能,使用于多方面的钢铁的一种，通常称为不锈钢。代表性能的有13铬钢，18-铬镍钢等高合金钢。 　　
　　从金相学角度分析，因为不锈钢含有铬而使表面形成很薄的铬膜，这个膜隔离开与钢内侵入的氧气起耐腐蚀的作用。 　　
　　为了保持不锈钢所固有的耐腐蚀性，钢必须含有12%以上的铬。

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Bewise Inc. www.tool-tool.com

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