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生铁中含有较多杂质这句话对吗

更新时间: 2020-09-17 00:00:00     

生铁是含碳量大于百分之二的铁碳合金,工业生铁含碳量一般在百分之二点一至百分之四点三,并含碳、硅、锰、硫、磷等元素,是用铁矿石经高炉冶炼的产品,根据生铁里碳存在形态的不同,又可分为炼钢生铁、铸造生铁和球墨铸铁等几种,含有较多杂质。

关键词: 生铁 含有 杂质

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