Comparison and Analysis of Welding Procedure Qualification for Heat Exchange Tubes and Tube Sheets in Domestic and Foreign Evaluation Standards
This paper compares and analyzes the similarities and differences of welding procedure evaluation between NB/T 47014-2023 and 2023 ASME Volume Ⅸ in respect of applicable scope,evaluation rules,NDE,etc.,it is helpful for welding engineers to understand and implement the two rules,and provides reference for NB/T 47014-2023 further revision and improvement.
welding procedure qualificationheat exchange tubetube sheetcomparison and analysis
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