摘要
介绍了北营公司X70配套埋弧焊丝用H08D盘条的开发研制情况。其生产工艺的关键点为:转炉采用"双渣法除磷",脱氧合金化在转炉和LF炉两个阶段完成,连铸采用结晶器电磁搅拌及末端电磁搅拌、恒定拉速;盘条采用控冷控轧及轧后延迟型斯太尔摩冷却工艺等措施。生产的成品盘条成分、力学性能、金相组织等指标均满足客户拉拔工艺要求。
The development of the H08D wire rod for welding wires for submerged-arc welding matching with XTO steel pipes in Beiying Company was introduced. The key points for producing the HO8D includes the double slag process for dephosphorization in converter, finish ing the deoxidation alloying first in converter and then in LF, continuous casting process by the M-EMS and F-EMS and constant casting speed. In rolling such processes as TMCP technology and the delayed Stelmor cooling process after rolling were used. So compositions, mechanical properties and microstructures of finished wire rods meet the requirements for drawing process asked by customers.
出处
《鞍钢技术》
CAS
2015年第3期19-21,42,共4页
Angang Technology
关键词
埋弧焊丝
H08D盘条
X70
welding wires for submerged arc welding
H08D wire-rod
X70
