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qt400是什么材质

更新时间: 2020-12-16 15:22:40     

qt400的材质是球墨铸铁。qt400的抗拉强度是400MPa,具有良好的焊接性和切削性,在常温的状态下冲击韧性高,在各种铸铁中,球墨铸铁的塑性最好,基本可以满足一般负荷机械零件的要求,由此而言在诸多情境下球墨铸铁可以取代钢。球墨铸铁的抗拉力度和硬度都是较强的。qt400用于能承受高冲击振动的零件,要求较高的硬性,特别是在温度较低的工作环境要求一定韧性值的零件。

关键词: qt400 什么 材质

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