27SiMn钢的亚温淬火工艺研究  

Study on Sub-temperature Quenching Technique of 27SiMn Steel

作　　者：邓想[1] 孟凡西 

机构地区：[1]河南机电高等专科学校材料工程系,河南新乡453003 [2]郑州煤矿机械集团有限责任公司,河南郑州450013

出　　处：《热加工工艺》2012年第16期185-186,共2页Hot Working Technology

摘　　要：对27SiMn钢进行820℃亚温淬火+高温回火的工艺研究,并对其显微组织和力学性能进行了分析。结果表明:27SiMn钢经820℃亚温淬火+高温回火的力学性能基本上达到了常规调质处理的水平,可满足矿用液压支柱的缸体的使用性能要求,而且可降低能耗,延长加热炉的使用寿命,有一定的应用推广价值。The process of the 820 ℃ sub-temperature quenching and high temperature tempering for 27SiMn steel was studied,and the microstructure and mechanical properties of the steels after heat treatment were analyzed.The results show that the mechanical properties of 27SiMn steel quenched at 820 ℃ sub-temperature and tempered at high temperature can reach conventional quenching and tempering treatment level and satisfy performance requirements of hydraulic props cylinder.The lower energy consumption and longer service life of the heating furnace can be achieved by this process.Thus this process has certain value for application.

关 键 词：27SIMN钢 亚温淬火 显微组织 力学性能 

分 类 号：TG156.3[金属学及工艺—热处理]