核反应堆压力容器锻件用SA508系列钢的比较和分析  

The Comparison and Analysis of SA508 Series Steel Used for Nuclear Reactor Pressure Vessel Forgings

作　　者：陈红宇[1] 杜军毅[1] 邓林涛[1] 宋青坪[1] 

机构地区：[1]中国第二重型机械集团公司重型容器与核电技术研究所,四川618013

出　　处：《大型铸锻件》2008年第1期1-3,共3页Heavy Casting and Forging

摘　　要：从化学成分、力学性能、热力学平衡相转变、焊接性、淬透性和堆焊层裂纹敏感性等方面比较了核反应堆压力容器锻件用SA508系列钢,分析了合金元素对钢的力学性能、热力学平衡态析出相、碳当量(Ceq)、淬透指数(Df)和堆焊层裂纹敏感系数(PSR)的影响,为SA508不同级别钢冶炼时实控化学成分的选择和进一步认识SA508系列钢提供了参考。The SA508 series steel used for nuclear reactor pressure vessel forgings has been compared in aspect of chemical composition, mechanical property, thermodynamics equilibrium phase transformation, weidability, hardenability, overlay crack sensitivity, and this article has analysed the influence of alloy element on the mechanical property, precipitated phase of thermodynamics equilibrium state, Ceq, Dr, PSR in order to provide the reference for the selection of actual control chemical composition for different grade SA508 during smelting and further realization of SA508 series steel.

关 键 词：核反应堆压力容器 锻件 SA508钢 合金元素 

分 类 号：TG142.33[一般工业技术—材料科学与工程]