EN30B棒材热处理工艺制度的研究  

Study on Heat Treatment Process of EN30B Bar

作　　者：易文[1] 李国 江胜利[1] Yi Wen;Li Guo;Jiang Shengli(Changcheng Special Steel Co.,Ltd.,Pangang Group,Jiangyou,Sichuan 621701)

机构地区：[1]攀钢集团江油长城特殊钢有限公司,四川江油621701

出　　处：《特钢技术》2021年第3期33-36,共4页Special Steel Technology

摘　　要：研究不同的热处理工艺对EN30B(30CrNi4Mo)钢交货硬度的影响,根据EN30B(30CrNi4Mo)合金结构钢的原始组织,制定了多种不同的退火热处理工艺试验方案。从退火组织、硬度等指标分析各种工艺的优缺点,并总结出该钢棒材的最佳热处理退火工艺。The effect of different heat treatment processes on the delivery hardness of EN30B(30CrNi4Mo)steel was investigated.According to the original microstructure of EN30B(30CrNi4Mo)alloy structural steel,vari-ous annealing heat treatment process test schemes were developed.The advantages and disadvantages of various pro-cesses were analyzed from the indexes of annealing structure and hardness,and the best annealing process of the steel bar was summarized.

关 键 词：EN30B 棒材 热处理工艺制度 

分 类 号：TG156.2[金属学及工艺—热处理]