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BS ISO 683-6:2023

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
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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

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BS ISO 683-6:2023
$167.15