ISO 6931-2-2005

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Reference numbe

ISO 6931-2:2005(E)

INTERNATIONAL

STANDARD

ISO

6931-2

Second edition

2005-04-15

Stainless steels for springs —

Part 2:

Narrow strip

Aciers inoxydables pour ressorts —

Partie 2: Feuillard

Reproduced by IHS under license with ISO

Not for Resale

No reproduction or networking permitted without license from IHS

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ISO 6931-2:2005(E)

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ISO 6931-2:2005(E)

Contents Page

Foreword ............................................................................................................................................................ iv

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

2 Normative references ........................................................................................................................... 1

3 Terms and definitions........................................................................................................................... 2

4 Classification and designation ............................................................................................................ 2

4.1 Classification ......................................................................................................................................... 2

4.2 Designation............................................................................................................................................ 2

4.2.1 Steel names ........................................................................................................................................... 2

4.2.2 Steel numbers ....................................................................................................................................... 2

5 Information to be supplied by the purchaser.....................................................................................2

5.1 Mandatory information ......................................................................................................................... 2

5.2 Options................................................................................................................................................... 3

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

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

6.2 Delivery .................................................................................................................................................. 4

6.2.1 Delivery form ......................................................................................................................................... 4

6.2.2 Delivery condition ................................................................................................................................. 4

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

7.1 Chemical composition.......................................................................................................................... 5

7.2 Mechanical properties .......................................................................................................................... 5

7.3 Technological properties and surface condition............................................................................... 5

7.4 Internal soundness ............................................................................................................................... 5

7.5 Dimensions and tolerances on dimensions....................................................................................... 5

8 Inspection and testing .......................................................................................................................... 6

8.1 General ................................................................................................................................................... 6

8.2 Types and contents of inspection documents .................................................................................. 6

8.3 Specific inspection and testing ........................................................................................................... 6

8.3.1 Extent of testing .................................................................................................................................... 6

8.3.2 Selection and preparation of samples and test pieces..................................................................... 6

8.3.3 Methods of test...................................................................................................................................... 7

Annex A (informative) Additional Information............................................................................................... 16

Annex B (informative) Designations of the steels given in Table 1 and of comparable grades

covered in ASTM-, EN- and JIS-Standards....................................................................................... 28

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标签： #ISO

摘要：

ISO 6931-2-2005 是一项国际标准，专门规定了用于制造弹簧的不锈钢冷拉丝材的技术要求、化学成分、力学性能及测试方法。该标准适用于直径在0.1毫米至10毫米之间的不锈钢弹簧丝，涵盖奥氏体、马氏体及沉淀硬化型不锈钢材料，旨在确保材料在弹性、耐腐蚀性和疲劳强度方面满足工业应用需求。标准详细列出了不同牌号的化学成分限值，如铬、镍、钼等元素的百分比，并规定了抗拉强度、屈服强度及伸长率等关键力学性能参数。此外，ISO 6931-2-2005 还涵盖了表面缺陷验收规则、尺寸公差及交货状态要求，适用

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ISO 6931-2-2005

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