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球墨白口韧性差

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小件能摔断了
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1、炉料成份不对。2、冷却速度过快。3、铸件浇注后开箱过早。4。工艺问题。
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选择炉料是关键
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单纯球铁白口,说明孕育不足,渗碳体偏高。,加强孕育
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一.球化己衰退,二.孕育不足或己衰退,建议严控球化和孕育工艺过程,就可以了。
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