ISO 683-2:2012
Heat-treatable steels, alloy steels and free-cutting steels — Part 2: Alloy steels for quenching and tempering
ISO 683-2:2012 specifies the technical delivery requirements for semi-finished products, hot formed (e.g. blooms, billets, slabs), bars, wire rod, finished flat products and hammer or drop forgings manufactured from the direct-hardening alloy steels and the alloy flame and induction hardening steels listed (in Table 3) and supplied in one of the heat-treatment conditions given for the different types of products (in Table 1) and in one of the surface conditions given (in Table 2).
The steels are, in general, intended for the manufacture of quenched and tempered or austempered and flame- or induction-hardened machine parts.
The requirements for mechanical properties given in ISO 683-2:2012 are restricted to the sizes given (in Table 8).
In addition to ISO 683-2:2012, the general technical delivery requirements of ISO 404 are applicable.
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CVP_Secretariat_Loca
Bibliography
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Classification
4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options and/or supplementary or special requirements
6 Manufacturing process
6.1 General
6.2 Deoxidation
6.3 Heat-treatment condition and surface condition at delivery
6.4 Traceability of the cast
7 Requirements
7.1 Chemical composition, mechanical properties and hardenability
7.2 Machinability
7.3 Cold shearability
7.4 Grain size
7.5 Non-metallic inclusions
7.6 Internal soundness
7.7 Surface quality
7.8 Decarburization
7.9 Shape, dimensions and tolerances
8 Inspection
8.1 Testing procedures and types of documents
8.2 Frequency of testing
8.3 Specific inspection and testing
9 Test methods
9.1 Chemical analysis
9.2 Mechanical tests
9.3 Hardness and hardenability tests
9.4 Retests
10 Marking
Annex A (normative) Ruling sections for mechanical properties
Annex B (normative) Supplementary or special requirements
Annex C (informative) Designation of steels given in this part of ISO 683 and of comparable grades covered in various designation systems
Annex D (informative) Dimensional standards applicable to products complying with this part of ISO 683
Bibliography
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CVP_Secretariat_Loca
Bibliography
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Classification
4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options and/or supplementary or special requirements
6 Manufacturing process
6.1 General
6.2 Deoxidation
6.3 Heat-treatment condition and surface condition at delivery
6.4 Traceability of the cast
7 Requirements
7.1 Chemical composition, mechanical properties and hardenability
7.2 Machinability
7.3 Cold shearability
7.4 Grain size
7.5 Non-metallic inclusions
7.6 Internal soundness
7.7 Surface quality
7.8 Decarburization
7.9 Shape, dimensions and tolerances
8 Inspection
8.1 Testing procedures and types of documents
8.2 Frequency of testing
8.3 Specific inspection and testing
9 Test methods
9.1 Chemical analysis
9.2 Mechanical tests
9.3 Hardness and hardenability tests
9.4 Retests
10 Marking
Annex A (normative) Ruling sections for mechanical properties
Annex B (normative) Supplementary or special requirements
Annex C (informative) Designation of steels given in this part of ISO 683 and of comparable grades covered in various designation systems
Annex D (informative) Dimensional standards applicable to products complying with this part of ISO 683
Bibliography