NF EN ISO 683-4

NF EN ISO 683-4

June 2018
Standard Current

Heat treatable steels, alloy steels and free-cutting steels - Part 4 : free-cutting steels

ISO 683-4:2016 gives the technical delivery requirements for semi-finished products (e.g. blooms, billets, slabs), bars and wire rod, manufactured from the free-cutting steels listed in Table 2 and supplied in one of the treatment conditions given for the different types of products in Table 1, rows 2 to 4. It covers three groups of free-cutting steels for mechanical purposes as listed in Table 2, namely a) not intended for heat treatment, b) suitable for case-hardening, and c) suitable for quenching and tempering. Free-cutting steels are often used as bright bars. For these products, refer to ISO 683‑18. In special cases, variations in these technical delivery requirements or additions to them can form the subject of an agreement at the time of enquiry and order (see 5.2 and Annex B). In addition to ISO 683-4:2016, the general technical delivery requirements of ISO 404 are applicable.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2018

Number of pages

29 p.

Reference

NF EN ISO 683-4

ICS Codes

77.140.20   Stainless steels
77.140.60   Steel bars and rods
77.140.65   Steel wire, wire ropes and link chains

Classification index

A03-565-4

Print number

1

International kinship

ISO 683-4:2016

European kinship

EN ISO 683-4:2018
Sumary
Heat treatable steels, alloy steels and free-cutting steels - Part 4 : free-cutting steels

ISO 683-4:2016 gives the technical delivery requirements for semi-finished products (e.g. blooms, billets, slabs), bars and wire rod, manufactured from the free-cutting steels listed in Table 2 and supplied in one of the treatment conditions given for the different types of products in Table 1, rows 2 to 4.

It covers three groups of free-cutting steels for mechanical purposes as listed in Table 2, namely

a) not intended for heat treatment,

b) suitable for case-hardening, and

c) suitable for quenching and tempering.

Free-cutting steels are often used as bright bars. For these products, refer to ISO 683‑18.

In special cases, variations in these technical delivery requirements or additions to them can form the subject of an agreement at the time of enquiry and order (see 5.2 and Annex B).

In addition to ISO 683-4:2016, the general technical delivery requirements of ISO 404 are applicable.

Replaced standards (1)
NF EN 10087
November 1998
Standard Cancelled
Free-cutting steels. Technical delivery conditions for semi-finished products, hot-rolled bars and rods.

Le présent document spécifie les conditions techniques de livraison, la composition chimique et les caractéristiques mécaniques des produits longs laminés à chaud en aciers de décolletage non destinés à un traitement thermique, pour cémentation et pour trempe directe.

Table of contents
View the extract
  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Classification et désignation
  • 5 Informations à fournir par l'acheteur
  • 6 Procédé d'élaboration
  • 7 Exigences
  • 8 Contrôle
  • 9 Méthodes d'essai
  • 10 Marquage
  • Annexe A (normative) Sections déterminantes pour les caractéristiques mécaniques
  • Annexe B (normative) Exigences supplémentaires ou particulières
  • Annexe C (informative) Comparaison des désignations d'aciers indiquées dans cette partie de l'ISO 683 avec d'autres nuances d'acier présentées dans d'autres systèmes de désignation
  • Annexe D (informative) Normes dimensionnelles applicables aux produits conformes à cette partie de l'ISO
    683
  • Bibliographie
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