连铸圆管坯在Φ400mm自动轧管过程中组织与性能的变化及最小压缩比的确定  

CHANGE OF STRUCTURE AND PROPERTIES OF CC ROUND BEING ROLLED WITH Φ400mm PLUG PIPE MILL AND DETERMINATION OF MMIMUM COMPRESSION RATIO

作　　者：朱景清[1] 刘雅政[1] 黎迎庆 陈维津[1] 郭志良 王向东 田永良 张瑞芬 郭兆成 姜景利 

机构地区：[1]北京科技大学,包钢无缝钢管厂,包钢冶研所

出　　处：《钢管》1995年第3期21-26,共6页Steel Pipe

摘　　要：研究了２０Ｍｎ３钢连铸圆管坯在轧管过程中组织与性能的演变过程。研究表明，最小压缩比（延伸系数）可定为４。Investigation on the evolution of the structure and properties of the 20Mn3 steel CC round being rolled with pipe mill is made. The result shows that the minimum compression ratio(elongation factor)is 4 as determined.

关 键 词：连铸圆管坯 压缩比 无缝钢管 管材轧制 

分 类 号：TG335.71[金属学及工艺—金属压力加工]