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純鐵是很硬很脆的金屬
純鐵是很硬很脆的金屬
更新时间:2026-08-13 19:21:32

  純鐵是含碳量小于百分之0.02的鐵合金,又稱熟鐵,熟鐵由鐵礦石用碳直接還原,或由生鐵經過熔化并将雜質氧化而得到的産物,前者冶煉溫度較低,采用比較早,後者溫度雖然較高,但生鐵去碳後由于熔點增高而變稠,兩者都不易使渣和鐵完全分離,所以熟鐵中常含有少量的渣,在加工後顯示纖維組織。

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