石墨材质固然有诸多优势，但是也不是任何作业都要采用。石墨坩埚有耐高温的特性，所以如今很多冶炼工作中，都有石墨坩埚参与，就有人问“生铁是用石墨坩埚冶炼的吗?”小编理解到，生铁不是用石墨坩埚冶炼的，铸铁坩埚是生铁翻铸而成，用于凝结铝合金、锌合金、铅合金、锡合金、锑合金等金属的皿器，比铁坩埚愈加耐用。

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