ISO 26910-1:2023

Springs — Shot peening — Part 1: General procedures

This document specifies general requirements for the shot peening process applied to springs in order to improve their resistance to fatigue and stress corrosion cracking, mainly by introducing compressive residual stresses into their surface layers.

Ressorts — Grenaillage de précontrainte — Partie 1: Modes opératoires généraux

Le présent document spécifie les exigences générales relatives au procédé de grenaillage de précontrainte appliqué aux ressorts afin d'améliorer leur résistance à la fatigue et à la fissuration par corrosion sous contrainte, principalement en créant des contraintes résiduelles de compression introduites dans leur couche superficielle.

General Information

• Status: Published
• Publication Date: 09-Oct-2023
• ICS: 21.160 - Springs
• Technical Committee: ISO/TC 227 - Springs
• Drafting Committee: ISO/TC 227 - Springs
• Current Stage: 6060 - International Standard published
• Start Date: 10-Oct-2023
• Due Date: 23-Nov-2024
• Completion Date: 10-Oct-2023

Relations

• Revises: ISO 26910-1:2009 - Springs — Shot peening — Part 1: General procedures
• Effective Date: 27-May-2023
• Revises: ISO 26910-1:2009/Amd 1:2017 - Springs — Shot peening — Part 1: General procedures — Amendment 1
• Effective Date: 27-May-2023

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 26910-1
Second edition
2023-10
Springs — Shot peening —
Part 1:
General procedures
Ressorts — Grenaillage de précontrainte —
Partie 1: Modes opératoires généraux
Reference number
ISO 26910-1:2023(E)
© ISO 2023

---------------------- Page: 1 ----------------------
ISO 26910-1:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
  © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 26910-1:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Strategies for conducting shot peening . 3
4.1 General . 3
4.2 Mode of shot peening . 3
4.3 Conditions of shot peening. 3
4.4 Category of shot peening machine . 4
4.5 Protection of non-peening surface . 4
4.6 Pre- and post-peening treatments . 4
5 Peening media .4
6 Almen strip . 4
6.1 Class of Almen strip . 4
6.2 Selection of the class of Almen strip . 5
6.3 Almen strip holder . 5
7 Method of measurement .6
7.1 Measurement of Almen arc height . 6
7.2 Evaluation of coverage.
...

NORME ISO
INTERNATIONALE 26910-1
Deuxième édition
2023-10
Ressorts — Grenaillage de
précontrainte —
Partie 1:
Modes opératoires généraux
Springs — Shot peening —
Part 1: General procedures
Numéro de référence
ISO 26910-1:2023(F)
© ISO 2023

---------------------- Page: 1 ----------------------
ISO 26910-1:2023(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2023
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: [phone]
E-mail: [e-mail]
Web: www.iso.org
Publié en Suisse
ii
  © ISO 2023 – Tous droits réservés

---------------------- Page: 2 ----------------------
ISO 26910-1:2023(F)
Sommaire Page
Avant-propos .iv
Introduction .v
1 Domaine d’application . 1
2 Références normatives .1
3 Termes et définitions . 1
4 Stratégies de grenaillage de précontrainte . 3
4.1 Généralités . 3
4.2 Mode de grenaillage de précontrainte . 3
4.3 Conditions de grenaillage de précontrainte . 4
4.4 Catégorie de grenailleuse . 4
4.5 Protection des surfaces non grenaillées. 4
4.6 Grenaillage préalable et ultérieur . 4
5 Grenaille. 4
6 Éprouvette Almen . 5
6.1 Classes d’éprouvette Almen . 5
6.2 Sélection de la classe d’éprouvette Almen . 6
6.3 Support d’éprouvette Almen . 6
7 Méthode de mesurage . 8
7.1 Mesurage de la flèche Almen . 8
7.2 Évaluation du taux de recouvrement .
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 26910-1
ISO/TC 227
Springs — Shot peening —
Secretariat: JISC
Voting begins on:
Part 1:
2023-07-19
General procedures
Voting terminates on:
2023-09-13
Ressorts — Grenaillage de précontrainte —
Partie 1: Modes opératoires généraux
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 26910-1:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 26910-1:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 26910-1
ISO/TC 227
Springs — Shot peening —
Secretariat: JISC
Voting begins on:
Part 1:
General procedures
Voting terminates on:
Ressorts — Grenaillage de précontrainte —
Partie 1: Modes opératoires généraux
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: [phone]
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [e-mail]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 26910-1:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 26910-1:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Strategies for conducting shot peening . 3
4.1 General . 3
4.2 Mode of shot peening . 3
4.3 Conditions of shot peening. 3
4.4 Category of shot peening machine . 4
4.5 Protection of non-peening surface . 4
4.6 Pre- and post-peening treatments . 4
5 Peening media .
...

© ISO 2023 – All rights reserved
ISO /FDIS 26910-1:2023(E)
Date: 2023-05-23
ISO/TC 227
Secretariat: JISC
Date: 2023-07-05
Springs — Shot peening — —
Part 1:
General procedures
Ressorts — Grenaillage de précontrainte — —
Partie 1: Modes opératoires généraux

Warning
This document is not an ISO International Standard. It is distributed for review and comment. It is subject to
change without notice and may not be referred to as an International Standard.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.

FDIS stage
© ISO 2023 – All rights reserved

---------------------- Page: 1 ----------------------
ISO /FDIS 26910-1:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
EmailE-mail: [e-mail]
Website: www.iso.orgwww.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO /FDIS 26910-1:2023(E)
Contents
Foreword . v
Introduction. vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Strategies for conducting shot peening . 3
4.1 General . 3
4.2 Mode of shot peening . 3
4.3 Conditions of shot peening . 3
4.4 Category of shot peening machine . 4
4.5 Protection of non-peening surface . 4
4.6 Pre- and post-peening treatments . 4
5 Peening media . 4
6 Almen strip . 5
6.1 Class of Almen strip . 5
6.2 Selection of the class of Almen strip . 6
6.3 Almen strip holder . 6
7 Method of measurement . 8
7.1 Measurement of Almen arc height . 8
7.2 Evaluation of coverage . 9
7.3 Determination of saturation time . 9
8 Shot peening machine .
...