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BS EN ISO 683-3:2022 – TC

$246.62

Tracked Changes. Heat-treatable steels, alloy steels and free-cutting steels – Case-hardening steels

Published By Publication Date Number of Pages
BSI 2022 110
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This document specifies the technical delivery requirements for —     semi-finished products, hot formed (e.g. blooms, billets, slabs) (see NOTE 1), —    bars (see NOTE 1), —    wire rod, —    finished flat products, and —    hammer or drop forgings (see NOTE 1) manufactured from the case-hardening non-alloy or alloy 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 case-hardened machine parts. NOTE 1   Hammer-forged semi-finished products (blooms, billets, slabs, etc.), seamless rolled rings and hammerforged bars are covered under semi-finished products or bars and not under the term “hammer and drop forgings”. NOTE 2   For International Standards relating to steels conforming with the requirements for the chemical composition in Table 3, however, supplied in other product forms or treatment conditions than given above or intended for special applications, and for other related International Standards, see the Bibliography.

PDF Catalog

PDF Pages PDF Title
1 30453481
65 A-30396040
66 National foreword
68 European foreword
71 Foreword
73 1 Scope
2 Normative references
74 3 Terms and definitions
4 Classification and designation
4.1 Classification
75 4.2 Designation
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options and/or supplementary or special requirements
5.3 Ordering example
76 6 Manufacturing process
6.1 General
6.2 Deoxidation
6.3 Heat-treatment condition and surface condition at delivery
6.3.1 Normal condition at delivery
6.3.2 Particular heat-treatment condition
6.3.3 Particular surface conditions
6.4 Traceability of the cast
7 Requirements
7.1 Chemical composition, hardness and hardenability
7.1.1 General
77 7.1.2 Hardenability
7.1.3 Chemical composition
7.2 Machinability
7.3 Cold shearability
7.4 Grain size
78 7.5 Non-metallic inclusions
7.5.1 Microscopic inclusions
7.5.2 Macroscopic inclusions
7.6 Internal soundness
7.7 Surface condition
7.8 Shape, dimensions and tolerances
79 8 Inspection
8.1 Testing procedures and types of documents
8.2 Frequency of testing
8.3 Tests to be carried out for specific inspection
8.3.1 General
8.3.2 Visual and dimensional inspection
80 9 Test methods
9.1 Chemical analysis
9.2 Hardness and hardenability tests
9.2.1 Verification of hardness
9.2.2 Verification of hardenability
9.3 Retests
10 Marking
103 Annex A (normative) Supplementary or special requirements
105 Annex B (informative) Designation of steels given in this document and of comparable grades covered in various designation systems
107 Annex C (informative) Classification of steel grades according to minimum tensile strength as a function of diameter after hardening and tempering at 200 °C
108 Bibliography
BS EN ISO 683-3:2022 - TC
$246.62