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Bainite Ductile Cast Iron Rolls

Bainite Ductile Cast Iron Rolls
描述:贝氏体和贝氏体/马氏体球墨铸铁都是加入Cr、Ni、Mo合金化的球墨铸铁,Cr、Ni含量较高。与珠光体铸铁相比,针状铸铁表现出更高的强度、韧性和耐磨性。根据工作层大小和轧机条件的不同,轧辊可采用静态或旋转铸造方式。贝氏体球墨铸铁轧辊在球墨铸铁轧辊中添加镍、锰、铬、钼等合金元素。它的基体为针状组织(贝氏体+小马氏体),强度较高,比珠光体球状石墨有更好的强度。有静态铸造和离心铸造两种方法生产。但由 ...
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