BS ISO 683-6:2023
$167.15
Heat-treatable steels, alloy steels and free-cutting steels – Hot-rolled steels for quenched and tempered springs
Published By | Publication Date | Number of Pages |
BSI | 2023 | 38 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
7 | Foreword |
9 | 1 Scope 2 Normative references |
10 | 3 Terms and definitions 4 Classification and designation 4.1 Classification 4.2 Designation |
11 | 5 Information to be supplied by the purchaser 5.1 Mandatory information 5.2 Supplementary or special requirements 5.3 Ordering example |
12 | 6 Manufacturing process 6.1 General 6.2 Deoxidation 6.3 Heat-treatment condition at delivery 6.3.1 Normal delivery condition 6.3.2 Particular heat treatment condition 6.3.3 Particular surface condition 6.4 Traceability of the cast 7 Requirements 7.1 General 7.2 Chemical composition |
13 | 7.3 Mechanical properties 7.4 Shearability 7.5 Surface quality 7.6 Grain size 7.7 Non-metallic inclusions 7.7.1 Microscopic inclusions |
14 | 7.7.2 Macroscopic inclusions 7.8 Internal soundness 7.9 Surface decarburization 7.10 Spheroidization of carbides 7.11 Dimensions, tolerances and shape 8 Inspection 8.1 Testing procedures and type of documents |
15 | 8.2 Specific inspection 8.2.1 Verification of the hardenability and hardness 8.2.2 Summary of inspection and frequency of testing |
16 | 8.3 Sampling 8.3.1 Selection and preparation of samples for the product analysis 8.3.2 Sampling for the hardenability and hardness test |
17 | 9 Test methods 9.1 Chemical analysis 9.2 Hardness test and hardenability test 9.2.1 Hardness in treatment conditions +A, +S or +AC 9.2.2 Verification of hardenability 9.3 Retest 10 Marking |
31 | Annex A (normative) Supplementary or special requirements |
33 | Annex B (informative) Maximum dimensions for flats and rounds based on the 100 % hardenability scatterband |
34 | Annex C (informative) Guidance values for the mechanical properties of quenched and tempered test pieces |
35 | Annex D (informative) Designation of steels given in this document and of comparable grades covered in various designation systems |
36 | Bibliography |