Research on Microstructure and Performance of Submerged Arc Welding Joint of Duplex Stainless Steel S22053
The submerged arc welding technology of duplex stainless steel has remained underdeveloped and underutilized in the field of pressure vessel manufacturing.This study examines the weldability of duplex stainless steel,investigating the chemical composition,microstructure,and properties of submerged arc welding joints in duplex stainless steel S22053 through experimental analysis.The findings of the research demonstrate that the submerged arc welding process can guarantee the exceptional characteristics of the welded joints by regulating the energy of the welding line and the temperature of the interlayer to guarantee the two-phase ratio,thus fulfilling the criteria for the evaluation of the welding process and its subsequent utilization.
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