氮化钢38CrMoAl的冶炼工艺  

Smelting Process for 38CrMoAl Nitriding Steel

作　　者：田丰 祁一星 

机构地区：[1]中信重工机械股份有限公司,河南471000

出　　处：《大型铸锻件》2014年第2期31-32,34,共3页Heavy Casting and Forging

摘　　要：研究了采用电弧炉冶炼→LF炉精炼→VD真空脱气→静吹→氩气保护模铸生产38CrMoAl钢的工艺实践。通过摸索各工序铝和硅含量的变化规律,确定了电弧炉出钢铝含量的控制范围,制定了相应的工艺控制措施,使产品成分得到了有效控制,成功生产出38CrMoAl钢,各项性能均满足技术要求。The production practice of electric arc furnace →LF refining →VD vacuum degas →static blowing →argon shield die casting for the 38CrMoAl steel is researched .By studying the variation trend of Al＆amp;contents in each process , the control range of electric arc furnace tapping Al content is determined , and process control measures are es-tablished respectively , as a result , the product elements are effectively controlled and each mechanical property of 38CrMoAl can meet technical requirements .

关 键 词：冶炼工艺 铝含量 硅含量 

分 类 号：TG161.82[金属学及工艺—热处理]