700MPa级汽车大梁钢轧钢工艺探讨  

INVESTIGATION OF 700 MPa GRADE COMMERCIAL VEHICAL GIEDER STEEL ROLLING PROCESS

作　　者：巫保振[1] 万国喜[1] 周茂奇[1] 安亮亮[1] 尚继芳[1] 

机构地区：[1]安阳钢铁股份有限公司

出　　处：《河南冶金》2015年第2期14-16,49,共4页Henan Metallurgy

摘　　要：介绍了屈服强度700 MPa级高强钢轧钢各工序工艺试验结果,分析了第二相析出过程,论述了高Nb钢不同阶段再结晶行为,研究了轧钢各工序工艺参数对第二相析出及力学性能的影响,指出了轧钢各工序工艺参数控制方向。This paper introduces the test results of various processes for 700 MPa grade high strength steel, analyzes the second phase precipitation process, discusses the high Nb steel recrystallization behavior of different stages, studies effects of rolling process parameters in each process on the second phase precipitation and the influence of mechanical prop- el＇ties, points out the direction of rolling process parameters in each process control.

关 键 词：控制轧制 析出强化 再结晶温度 冷却速度 

分 类 号：TG335[金属学及工艺—金属压力加工]