700MPa级冷轧高强钢的性能分析  

Study on Structure & Properties of 700MPa Cold-Rolled High Strength Steel

作　　者：陈宇[1] 张彦文[1] 刘永前[1] 

机构地区：[1]武钢研究院,湖北武汉430080

出　　处：《武汉工程职业技术学院学报》2010年第4期18-19,40,共3页Journal of Wuhan Engineering Institute

摘　　要：对工业化生产的C-Mn-Al系高强度、高塑性冷轧钢板的组织和性能进行了研究,材料的抗拉强度为730MPa,屈服强度为470MPa,延伸率达到28%,屈强比为0.63;钢中的主要强化元素为C、Mn、Al,相应的最大含量分别小于0.21%、1.5%、1.6%,材料的原料成本低,生产工艺适应性好。The study of texture and properties of C-Mn-Al high strength and high ductility cold-rolled plate in industrial production shows that the tensile strength of the material is 730MPa,yield strength is 470MPa,extensibility reaches 28%,yield strength rate is 0.63; the main hardeners in the steel are C,Mn,and Al,and their relative maximum contents are separately 0.21%,1.5% and 1.6%,with low raw material cost and excellent adaptability in production.

关 键 词：高强度钢 残余奥氏体 冷轧薄钢板 

分 类 号：TG335.55[金属学及工艺—金属压力加工]