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简叙了X80管线钢组织及其焊缝组织,分析了针状铁素体对管线钢性能的影响。概述了氧化物冶金技术核心思想及原理,介绍了该技术在X80管线钢焊接中的应用,指出了氧化物冶金技术在管线钢中的发展前景。
A brief description of X80 pipeline steel microstructure and its weld microstructure, the analysis of acicular ferrite on the performance of pipeline steel. The core idea and principle of oxide metallurgy technology are summarized. The application of this technology in X80 pipeline steel welding is introduced. The development prospect of oxide metallurgy technology in pipeline steel is pointed out.