NF EN ISO 898-5

August 2012

Standard Current

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5 : set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread

ISO 898-5:2012 specifies mechanical and physical properties of set screws and similar threaded fasteners made of carbon steel or alloy steel when tested at an ambient temperature range of 10 °C to 35 °C. Fasteners (the term used when set screws and similar threaded fasteners are considered all together) which conform to the requirements of ISO 898-5:2012 are evaluated at that ambient temperature range. Fasteners according to ISO 898-5:2012 are classified to specified hardness classes and are intended for use under compressive stress only. ISO 898-5:2012 is applicable to set screws and similar fasteners: made of carbon steel or alloy steel, having a triangular ISO metric screw thread according to ISO 68-1, with a coarse pitch thread M1,6 to M30, and fine pitch thread M8×1 to M30×2, with diameter/pitch combinations according to ISO 261 and ISO 262, and having thread tolerances according to ISO 965-1 and ISO 965-2.

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Main informations

Collections

National standards and national normative documents

Publication date

August 2012

Number of pages

21 p.

Reference

NF EN ISO 898-5

ICS Codes

21.060.10 Bolts, screws, studs

Classification index

E25-100-5

Print number

1 - 26/07/2012

International kinship

ISO 898-5:2012

European kinship

EN ISO 898-5:2012

Sumary

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5 : set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread

Fasteners according to ISO 898-5:2012 are classified to specified hardness classes and are intended for use under compressive stress only.

ISO 898-5:2012 is applicable to set screws and similar fasteners:

made of carbon steel or alloy steel,
having a triangular ISO metric screw thread according to ISO 68-1,
with a coarse pitch thread M1,6 to M30, and fine pitch thread M8×1 to M30×2,
with diameter/pitch combinations according to ISO 261 and ISO 262, and
having thread tolerances according to ISO 965-1 and ISO 965-2.

Replaced standards (1)

NF EN ISO 898-5

November 1998

Standard Cancelled

Mechanical properties of fasteners made of carbon steel and alloy steel. Part 5 : set screws and similar threaded fasteners not under tensile stresses.

Le présent document fixe les caractéristiques mécaniques des vis sans tête et éléments de fixation filetés similaires non soumis à des contraintes de traction. Il définit les classes de qualité, marquages, méthodes d'essai.

Table of contents

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Avant-propos
iv
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
2
4 Symboles et unités
2
5 Système de désignation
3
6 Matériaux
3
7 Caractéristiques mécaniques et physiques
4
8 Conditions d'application des méthodes d'essai
5
8.1 Contrôle par le fabricant
5
8.2 Contrôle par le fournisseur
5
8.3 Contrôle par le client
5
9 Méthodes d'essai
6
9.1 Essai de dureté
6
9.2 Essai de décarburation
7
9.3 Essai de carburation
10
9.4 Essai de couple de torsion des vis sans tête à six pans creux et des vis sans tête à six lobes internes de classe de dureté 45H
11
10 Marquages
13
10.1 Généralités
13
10.2 Marque d'identification du fabricant
13
10.3 Marquage des vis sans tête avec la classe de dureté
13
10.4 Marquage des conditionnements
13
Annexe A (informative) Élimination de la fragilisation par l'hydrogène après revêtement électrolytique des vis sans tête
14
Bibliographie
15

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