ISO 683-1-2016

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Heat-treatable steels, alloy steels and

free-cutting steels —

Part 1:

Non-alloy steels for quenching and

tempering·

Aciers pour traitement thermique, aciers alliés et aciers pour

décolletage —

Partie 1: Aciers non alliés pour trempe et revenu

INTERNATIONAL

STANDARD

ISO

683-1

Third edition

2016-07-01

Reference number

ISO 683-1:2016(E)

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

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

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

the requester.



Ch. de Blandonnet 8 • CP 401

CH-1214 Vernier, Geneva, Switzerland

Tel. +41 22 749 01 11

Fax +41 22 749 09 47



www.iso.org

ISO 683-1:2016(E)

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

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

2 Normative references ...................................................................................................................................................................................... 2

3 Termsanddefinitions ..................................................................................................................................................................................... 3

4 Classificationanddesignation ............................................................................................................................................................... 3

  ............................................................................................................................................................................................. 3

4.2 Designation ................................................................................................................................................................................................ 3

5 Information to be supplied by the purchaser......................................................................................................................... 3

  ................................................................................................................................................................... 3

  .................................................................................. 4

5.3 Ordering example ................................................................................................................................................................................. 4

6 Manufacturing process .................................................................................................................................................................................. 4

6.1 General ........................................................................................................................................................................................................... 4

6.2 Deoxidation ................................................................................................................................................................................................ 5

  ......................................................................... 5

  ................................................................................................................................ 5

6.3.2 Particular heat-treatment condition .................. ............................................................................................. 5

6.3.3 Particular surface conditions ................................................................................................................................ 5

  ..................................................................................................................................................................... 5

7 Requirements .......................................................................................................................................................................................................... 5

  ............................................................. 5

7.1.1 General...................................................................................................................................................................................... 5

7.1.2 Chemical composition ................................................................................................................................................. 5

7.1.3 Mechanical properties ................................................................................................................................................ 5

  ...................................................................................................................................................................... 6

7.1.5 Surface hardness .............................................................................................................................................................. 6

  ............................................................................................................................................................................................ 6

  .................................................................................................................................................................................... 6

7.4 Grain size ...................................................................................................................................................................................................... 6

7.5 Non-metallic inclusions ................................................................................................................................................................... 7

7.5.1 Microscopic inclusions ............................................................................................................................................... 7

7.5.2 Macroscopic inclusions .............................................................................................................................................. 7

7.6 Internal soundness .............................................................................................................................................................................. 7

  ......................................................................................................................................................................................... 7

7.8 Decarburization ..................................................................................................................................................................................... 7

7.9 Shape, dimensions and tolerances ......................................................................................................................................... 8

8 Inspection .................................................................................................................................................................................................................... 8

  ................................................................................................................ 8

  ........................................................................................................................................................................... 8

  .................................................................................................................................................. 8

  .......................... 8

8.3.2 Visual and dimensional inspection .................................................................................................................. 9

9 Test methods ............................................................................................................................................................................................................. 9

  .................................................................................................................................................................................. 9

9.2 Mechanical tests ..................................................................................................................................................................................... 9

9.2.1 Tensile test ............................................................................................................................................................................ 9

9.2.2 Impact test ............................................................................................................................................................................. 9

  ........................................................................................................................................... 9

9.3.1 Hardness in treatment conditions +A and +S ......................................................................................... 9

  .................................................................................................................................. 9

9.3.3 Surface hardness .............................................................................................................................................................. 9

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标签： #ISO

摘要：

ISO 683-1-2016 是关于热处理合金钢、非合金钢和易切削钢的技术规范标准，由国际标准化组织（ISO）发布，替代了旧版标准。该标准主要规定了用于热处理的可淬硬钢、合金钢及易切削钢的化学成分、力学性能、表面质量、尺寸公差及测试方法，适用于机械制造、汽车工业、航空航天及工具制造等领域。文档详细分类了不同钢种的技术要求，确保材料在淬火、回火等热处理工艺后具备稳定的硬度、强度和韧性，同时规范了取样、试验频率和验收条件。遵循该标准有助于提高产品的可追溯性和一致性，降低生产风险，并促进全球贸易中的技

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ISO 683-1-2016

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