Technology and analysis of 08cr9w3co3vnbcubn steel large diameter thick wall pipe welding process

HIGHLIGHTS

• who: Feng Wang and collaborators from the (3) The microstructure of the welded joint of , mm thick large diameter Cr W Co VNbCuBN steel is tempered martensite, and the grain in the welding HAZ is refined, and no u03b4-Fe is found in all parts of the welded jointAcknowledgments: The authors sincerely acknowledge Gao Mengjie and Professor Zhai Yunpu, School of Chemistry, Zhengzhou University, for their support to this research. Funding information: The authors state no funding is involved. Author contributions: Feng Wang, writing-original draft, writing, review and editing, methodology, formal Analysis have published the article . . .
  

   

  

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