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    Article
    钢材预处理线手动除锈等级
    Hachieve| Time2011/12/24 10:18:54
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    钢材预处理线手动和动力工具除锈，该项国家标准设有两个除锈等级，每一等级的文字定义如下：
    St2 彻底的手动和动力工具除锈，钢材表面应无可见的油脂和污垢，并且没有附着不老的氧化皮、铁锈和油漆涂层等附着物。
    St3 非常彻底的手动和动力工具除锈，钢材表面应无可见的油脂和污垢，并且没有附着不老的氧化皮、铁锈和油漆涂层等附着物。除锈应比St2更为彻底，底材显露部分的表面应具有金属光泽。

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