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Development and Production of X65 HTP Type Pipeline Steel at Jigang
Author(s): 
Pages: 16-20
Year: Issue:  5
Journal: WIDE AND HEAVY PLATE

Keyword:  X65管线钢HTPACC组织性能;
Abstract: 介绍了济钢在3 200/3 500 mm双四辊轧机上首次大规模研制生产X65管线钢的工艺和性能.所研制的管线钢采用低C、S、P和高Nb、无V、Mo的成分设计,有低的碳当量CE(≤0.34)和PCM(≤0.17).应用精轧机HTP和ACC快速冷却工艺获得针状铁素体组织,采用堆垛缓冷实现热扩散处理,获得优良性能.采用所开发的X65管线钢板制成的直缝埋弧焊钢管具有良好的力学性能和焊接性能.
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