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天然气管线的敷设地域正在向遥远地区和环境状况严峻的地区扩展,这就要求管线钢管的材料必须具有高强度和适应环境要求的各种性能,如高可变形性和耐酸性气体腐蚀等。日本JFE公司采用具有先进功能的新一代厚钢板在线快速冷却装置——Super-OLAC(Super On-line Accelerated Cooling)和在线感应加热热处理工艺HOP(Heat-treatment On-line Process),开发了一系列高强度UOE管线钢管。介绍了JFE公司最新开发的UOE管线钢管的特性及其金相组织控制技术。
Natural gas pipeline laying area is being extended to remote areas and severe environmental conditions, which requires the pipeline steel materials must have high strength and meet the performance requirements of the environment, such as high deformability and acid gas corrosion. Japan JFE Company has adopted a new generation of advanced rapid cooling equipment for thick steel plates with advanced functions - Super-on-line Accelerated Cooling (Super-on-line Accelerated Cooling) and on-line heat-treatment On-line Process (HOP) High-strength UOE pipeline steel pipe. Introduced the latest development of the JFE company UOE pipeline steel properties and microstructure control technology.