ISO TR 22824-2024 焊接 — 不锈钢焊缝金属中铁素体规格和测量的最佳实践

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侵权投诉

Welding — Best practices for









Technical

Report

ISO/TR 22824

Second edition

2024-12

Reference number

ISO/TR 22824:2024(en) © ISO 2024

ISO/TR 22824:2024(en)



















www.iso.org



ISO/TR 22824:2024(en)

Foreword ......................................................................................................................................................................................................................................................v

 ...........................................................................................................................................................................................................................................vi

1 Scope ............................................................................................................................................................................................................................................. 1

  ................................................................................................................................................................................................. 1

  ................................................................................................................................................................................................ 1

  ............................................................................. 2

  ........................................................................................................................................................................................................................ 2

  ..........................................................................................................................................................................................3

  .....................................................................................................................................................................................................3

  ....................................................................................................................................3

  ...........................................................................................................3

  ...................................................................................................................3

  ............................................................................................................................................4

  ....................................................................................................................................................4

 ................................................................................................5

  .....................................................................................................................................................................................................5

  ................................................................................................................................................... 6

  ...............................................................................................................................................6

  ................................................................................................................................................ 6

  ...................................................................................................................................................

  .................................................................................................................................................................................. 

  ..................................................................................................................................... 

  ..................................................................................................................................................................................................

  .......................................................................... 

  ............................................................ 

  ............................................................................................................... 

  .......................................................................................................................

  .........................................................................................................................................................................

  .............................15

  .................................................................................................................................................................................................................... 

  .........................................................................................................................

  .............................................................................................................................................................................................................

  ......... ..................................................................................

  .........................................................................................................................

  .............................................................................................................................................................................................. 

  ........................................................................................................... 18

  .....................................................................................................................................................................................................................

  .....................................................................................................................................

  .........................................................................................................

  ............................................................................................................. 20

  .............................................................................................................................. 20

  .................................................................. 20

  ....................................................................................................... 20

  ..................................................................................................................... 20

  ...........................................................................

  ....................................................................................................................................... 22

  ........................................................................................................................................................................ 23

  ..................................................................................................................................................... 23

  ..................................................................................... 23

  .............................................................................................................24

  .....................................................................................................................................................................................................................24

  ............................................................................................................................................................... 25

iii

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标签： #ISO #不锈钢 #铁素体

摘要：

本规范 ISO TR 22824-2024 系统总结了不锈钢焊缝金属中铁素体含量规格与测量的最佳实践，适用于焊接工程师、质量控制人员及材料研究人员。标准详细介绍了铁素体对焊缝抗裂性、耐腐蚀性和机械性能的影响，提供了金相法、磁性法等主流测量技术的适用场景与操作要点，并针对常见测量偏差给出校正建议。内容涵盖铁素体数目（FN）的标定原则、不同母材与填充金属组合下的推荐范围，以及如何通过工艺参数控制铁素体含量以满足工程要求。该技术报告旨在统一行业标准、减少测量争议，助力提升不锈钢焊接结构的可靠性与耐久性

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ISO TR 22824-2024 焊接 — 不锈钢焊缝金属中铁素体规格和测量的最佳实践

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