酸性服役管线用X46MS热轧卷板研发  

Research and Development of X46MS Hot Rolled Coil for Pipeline in Acid Service Condition

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作  者:曹妍[1] 刘芳 Cao Yan;Liu Fang(Rare Earth Steel Plate Plant of Inner Mongolia Baotou Steel Union Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China)

机构地区:[1]内蒙古包钢钢联股份有限公司稀土钢板材厂,内蒙古包头014010

出  处:《包钢科技》2022年第6期29-32,共4页Science & Technology of Baotou Steel

摘  要:管线钢主要用于石油和天然气的输送,酸性服役条件是指应用环境中含有H_(2)S、CO_(2)、H^(+)酸性介质,酸性服役管线钢就是具有抗氢致腐蚀开裂特性的管线用钢。文章主要介绍了X46MS热轧卷板开发和工业生产,开发内容包括化学成分、热轧工艺、生产工艺流程,性能检测项目包括拉伸、弯曲、冲击、硬度、金相、非金属夹杂物、抗氢致开裂(HIC)。试验结果表明酸性服役X46MS热轧卷板的化学成分和工艺设计合理,钢质纯净、组织均匀,具有优良的机械性能,特别是具有抗氢致开裂能力。The pipeline steel is mainly used for transportation of oil and natural gas as well as the acid service condition means that there are such acidic mediums as H_(2)S,CO_(2)and H^(+)in application environment,so pipeline steel in acid service condition is the pipeline steel with resistance to hydrogen induced corrosion cracking.In the paper,the development and industrial production of X46MS hot rolled coil are mainly introduced.The development includes chemical components,hot rolling process and production technology process as well as the performance tests include pulling,bending,impact,hardness,metallography,non-metallic inclusions and hydrogen induced cracking(HIC).The test results showed that the chemical components and process design of X46MS hot rolled coil in acid service condition were reasonable as well as it was with pure steel,well-closed formation and excellent mechanical properties,especially the resistance to hydrogen induced cracking.

关 键 词:氢致裂纹 管线钢 超低硫 微合金化 

分 类 号:TG335.11[金属学及工艺—金属压力加工]

 

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