地质管STM-R780的正火工艺研究  

Study on Normalizing Process of Drilling Pipe STM-R780

作　　者：张学颖[1] 姜海龙[1] 姚晓乐[1] ZHANG Xue-ying;JIANG Hai-long;YAO Xiao-le(Technical Center of Steel Union Co.Ltd.of Baotou Steel(Group)Corp.,Baotou 014010,Inner Mongolia,China)

机构地区：[1]内蒙古包钢钢联股份有限公司技术中心,内蒙古包头014010

出　　处：《包钢科技》2018年第2期37-40,共4页Science & Technology of Baotou Steel

摘　　要：对热轧的地质管STM-R780进行正火处理,采用不同正火温度及保温时间进行实验,通过相关实验设备测定了钢管的屈服强度、抗拉强度、延伸率、金相组织等技术指标,分析各项数据,找出强度与韧性性能搭配合理的正火热处理制度。The hot rolled drilling pipe STM-R780 is normalized.Experiments are carried out with different normalizing temperatures and holding times.Technical parameters such as yield strength,tensile strength,elongation,and metallographic structure of steel pipe are measured by relevant experimental equipment.The proper normalizing heat treatment system for strength and toughness is found out by analyzing the data.

关 键 词：地质管 R780 正火 

分 类 号：TG156.4[金属学及工艺—热处理]