天气预报 > 其他 > 黑色金属包含哪些
黑色金属包含哪些
更新时间: 2020-11-06 00:00:00  

金属是具有光泽、有良好的导电性、导热性与机械性能,并具有正的电阻温度系数的物质。通常人们根据金属的颜色和性质等特征,将金属分为黑色金属和有色金属两大类。黑色金属主要指铁及其合金,如钢、生铁、铁合金、铸铁等。黑色金属以外的金属称为有色金属。

关键词: 黑色金属 包含 哪些

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