30CrMnSiNi2A钢件的焊接工艺研究  

Research on Welding Process of 30CrMnSiNi2A Steel

作　　者：郭必新[1] 丁丽丽[1] 

机构地区：[1]空军第一航空学院,河南信阳464000

出　　处：《热加工工艺》2009年第15期109-110,114,共3页Hot Working Technology

摘　　要：对30CrMnSiNi2A钢在最终热处理(淬火+低温回火)状态下采用手工电弧焊与TIG焊的综合焊接工艺进行焊接,只要焊接规范合适,就可以使焊缝热影响区的软化程度较轻,且可以得到性能良好的细小索氏体+屈氏体组织,焊缝的综合力学性能较高,完全能满足使用性能要求,可以用作应急维修。The 30CrMnSiNi2A steel is welded by the compositive welding technology of SMAW welding and TIG welding in final heat treatment state （quenching and low tempering）. If the welding standard is suitable, the intenerated degree of the weld in heat effecting area will be lighter and the sorbite and troostite structure with the fine crystal can be obtained, the combination mechanics properties will be higher it can meet the demand of property of the weld. The method can be used in urgent maintain.

关 键 词：30CRMNSINI2A SMAW焊 TIG焊 

分 类 号：TG457.11[金属学及工艺—焊接]