prEN ISO 683-7
(Main)Heat-treatable steels, alloy steels and free-cutting steels - Part 7: Bright products of non-alloy and alloy steels (ISO 683-7:2023)
Heat-treatable steels, alloy steels and free-cutting steels - Part 7: Bright products of non-alloy and alloy steels (ISO 683-7:2023)
This document specifies the technical delivery requirements for bright steel products in the drawn, peeled/turned or additional ground condition and they are intended for mechanical purposes, for example for machine parts.
Für eine Wärmebehandlung bestimmte Stähle, legierte Stähle und Automatenstähle - Teil 7: Blankstahlerzeugnisse aus unlegierten und legierten Stählen (ISO 683-7:2023)
Aciers pour traitement thermique, aciers alliés et aciers pour décolletage - Partie 7: Produits en aciers non alliés et alliés transformés à froid (ISO 683-7:2023)
Toplotno obdelana, legirana in avtomatna jekla -7. del: Svetli izdelki iz nelegiranih in legiranih jekel (ISO 683-7:2023)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2024
Toplotno obdelana, legirana in avtomatna jekla -7. del: Svetli izdelki iz nelegiranih
in legiranih jekel (ISO 683-7:2023)
Heat-treatable steels, alloy steels and free-cutting steels - Part 7: Bright products of non-
alloy and alloy steels (ISO 683-7:2023)
Für eine Wärmebehandlung bestimmte Stähle, legierte Stähle und Automatenstähle -
Teil 7: Blankstahlerzeugnisse aus unlegierten und legierten Stählen (ISO 683-7:2023)
Aciers pour traitement thermique, aciers alliés et aciers pour décolletage - Partie 7:
Produits en aciers non alliés et alliés transformés à froid (ISO 683-7:2023)
Ta slovenski standard je istoveten z: prEN ISO 683-7
ICS:
77.140.10 Jekla za toplotno obdelavo Heat-treatable steels
77.140.20 Visokokakovostna jekla Stainless steels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
INTERNATIONAL ISO
STANDARD 683-7
First edition
2023-11
Heat-treatable steels, alloy steels and
free-cutting steels —
Part 7:
Bright products of non-alloy and alloy
steels
Aciers pour traitement thermique, aciers alliés et aciers pour
décolletage —
Partie 7: Produits en aciers non alliés et alliés transformés à froid
Reference number
ISO 683-7:2023(E)
ISO 683-7:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
ISO 683-7:2023(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Classification and designation . 3
4.1 Classification . 3
4.2 Designation . 3
5 Information to be supplied by the purchaser . 3
5.1 Mandatory information . 3
5.2 Options/Supplementary or special requirements . 4
5.3 Ordering example. 4
6 Manufacturing process . 5
6.1 General . 5
6.2 Treatment and surface condition at delivery . 5
6.2.1 Treatment condition . 5
6.2.2 Surface conditions . 5
6.3 Traceability of the cast . 5
7 Requirements . 5
7.1 General . 5
7.2 Chemical composition . 5
7.3 Mechanical properties . 6
7.4 Hardenability . 6
7.5 Machinability . 6
7.6 Grain size . 7
7.7 Non-metallic inclusions . 7
7.7.1 Microscopic inclusions . 7
7.7.2 Macroscopic inclusions . 7
7.8 Internal soundness . 7
7.9 Decarburization . . 7
7.10 Shape, dimensions and tolerances . 7
7.11 Surface quality . 8
8 Inspection . 8
8.1 Testing procedures and types of documents. 8
8.2 Frequency of testing . 9
8.3 Specific inspection and testing . 10
8.3.1 Verification of the hardenability, hardness and mechanical properties . 10
8.3.2 Visual and dimensional inspection . 11
9 Test methods .11
9.1 Chemical analysis . 11
9.2 Mechanical tests . 11
9.2.1 Tensile test . 11
9.2.2 Impact test . 11
9.3 Hardness and hardenability tests . 11
9.3.1 Hardness in treatment conditions +A and +FP . 11
9.3.2 Verification of hardenability .12
9.4 Verification of dimensions .12
9.5 Retests . 12
10 Marking . .12
Annex A (informative) Steel grades and chemical composition according to ISO 630-2,
ISO 683-1, ISO 683-2, ISO 683-3 and ISO 683-4 .39
iii
ISO 683-7:2023(E)
Annex B (normative) Determination of the diameter of the equivalent ruling section for
mechanical properties.45
Annex C (normative) Supplementary or special requirements .48
Annex D (normative) Methods for evaluating straightness .50
Annex E (informative) Designation of steels given in this document and of comparable
grades covered in various designation systems .51
Bibliography .55
iv
ISO 683-7:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
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electrotechnical standardization.
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described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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database available at www.iso.org/patents. ISO shall not be held responsible for identifying any or all
such patent righ
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