aged steel meaning in Chinese

时效钢

The grain refining process for 18ni 2450mpa martensite aged steel
马氏体时效钢细化晶粒工艺
Strain - aged steel
应变时效钢
Non - aging steel
无时效钢
Abstract : the paper presents the evaluation procedures and the major tests carried out on gangwan bridge in dalian port , illustrating the scope and methods of tests necessary for the evaluation and assessment of the strength and useful life of an aged steel bridge
文摘:通过介绍大连港港湾桥的检定试验过程与主要项目内容，说明对老龄钢结构桥梁的强度负荷与寿命评估所必须实施的内容与手段。