ASTM A668 CLE材料热处理工艺试验  

The Research of Materials and Heat Treatment of ASTM A668 CLE

作　　者：张海峰[1] 张国利[1] 滕毅[1] 

机构地区：[1]天津重型装备工程研究有限公司,天津300457

出　　处：《大型铸锻件》2010年第4期21-22,25,共3页Heavy Casting and Forging

摘　　要：根据水轮机主轴材料ASTM A668 CLE技术条件的要求,在实验室冶炼出相应化学成分的小钢锭,对其进行与材料相关的物理特性及热处理工艺参数试验,并对试验结果进行了分析和讨论。比较合适的热处理工艺为:910±10℃淬火,650±5℃回火。The experimental steel ingot has been smelt in laboratory according to the technical specification of ASTM A668 CLE material for main shaft of hydroturbine,and relative physical characteristic and heat treatment param-eter tests for the material also have been performed,of which the results are analyzed and discussed as well as the result shows that the heat treatment processes is 910 ± 10℃,650 ± 5℃ for tempering.

关 键 词：水轮机主轴 ASTM A668 CLE CCT曲线 晶粒度 热处理 

分 类 号：TG162[金属学及工艺—热处理]