铸铁的热处理工艺（Cast Iron Heat Treatment Process） 铸铁生产除适当地选择化学成分以得到一定的组织外，热处理也是进一步调整和改进基体组织以提高铸铁性能的一种重要途径。
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本发明涉及一种贝氏体球墨铸铁的控制冷却热处理工艺及其装置。
The present invention relates to one kind of controlled cooling heat treatment process and apparatus for bainite ductile iron.
利用锻造方法并结合锻后适当的热处理工艺可大幅度提高铬合金白口铸铁的冲击韧性。
Adopting forging method and proper heat treatment after forging can improve significantly the impact toughness of chromium alloy white cast iron.
在分析杂质泵护套材质要求的基础上，确定了高铬铸铁的化学成分和熔炼、铸造及热处理工艺。
Chemical composition, melting processes, casting and heat treatment of high chromium cast iron were determined according to the requirement of materials for dredge pump cover.
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