炉卷轧机生产X70管线钢

Production of X70 pipeline steel by a Steckel mill line

介绍了安阳钢铁股份有限公司采用150 t转炉、连铸、炉卷轧机生产线生产高强度高韧性X70管线钢的情况,包括成分体系设计和轧制工艺。通过合理运用微合金化技术和炉卷卷取轧制工艺开发的管线钢,机械性能优良,合格率达99.3%,满足长距离油气输送管道要求。

This paper introduces the production of X70 pipeline steel by the Steckel mill line of Anyang Iron Steel Co.Ltd.,focusing on the design of steel compositions and rolling technologies adopted.The pipeline steel production line consists of 150 t converter,continuous casting and Steckel mill.Owing to rational use of micro-alloying technology and Steckel rolling process,the X70 pipeline steel developed has excellent mechanical properties and the percent of pass reached 99.3 %,which can meet the requirements for long-distance oil and gas pipelines.