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纯铁真的很软吗

更新时间: 2020-10-03 00:00:00     

纯铁真的很软。

纯铁是指由铁矿石用碳直接还原,或由生铁经过熔化并将杂质氧化而得到的比较纯的铁。含碳量在百分之零点零二以下,又叫锻铁、熟铁。纯铁质地很软,有银白色金属光泽,不易被腐蚀,塑性好,延展性好,可以拉成丝,强度和硬度均较低,容易锻造和焊接。

关键词: 真的

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