LCC低温阀门钢的成分控制及热处理工艺研究  

Composition Control and Heat Treatment of LCC Low-temperature Valve Steel

作　　者：李爱宗 LI Aizong(Shanghai Suyou Metal Products Co.,Ltd.,Shanghai 201707)

机构地区：[1]上海素友金属制品有限公司,上海201707

出　　处：《特种铸造及有色合金》2024年第7期1007-1008,共2页Special Casting & Nonferrous Alloys

摘　　要：通过实践验证,确定了LCC低温阀门钢中C、Si、Mn等主要元素的合理成分范围以及合适的热处理工艺,使铸件的综合力学性能尤其是低温冲击韧度达到了客户要求。The reasonable composition range of C,Si,Mn and other main elements in LCC low-temperature valve steel was determined through practice verification,and the appropriate heat treatment process was identified.The com⁃prehensive mechanical properties of castings,especially low-temperature impact toughness,reaches the standard of customer requirements.

关 键 词：低温钢 阀门 低温冲击韧度 精密铸造 

分 类 号：TG249.5[机械工程—精密仪器及机械]