ISO 2107:2023

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 2107
ISO/TC 79/SC 9
Aluminium and aluminium alloys —
Secretariat: ANSI
Wrought products — Temper
Voting begins on:
2023-06-28 designations
Voting terminates on:
Aluminium et alliages d'aluminium — Produits corroyés —
2023-08-23
Désignation des états métallurgiques
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 2107:2023(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

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ISO/FDIS 2107:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 2107
ISO/TC 79/SC 9
Aluminium and aluminium alloys —
Secretariat: ANSI
Wrought products — Temper
Voting begins on:
designations
Voting terminates on:
Aluminium et alliages d'aluminium — Produits corroyés —
Désignation des états métallurgiques
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: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 2107:2023(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

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ISO/FDIS 2107:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Basic temper designations . 2
4.1 F — as fabricated . 2
4.2 O — annealed . . 3
4.3 H — strain­hardened . 3
4.4 W — solution heat­treated . 3
4.5 T — precipitation hardened to produce stable tempers other than F, O or H . 3
5 Subdivisions of O temper designations . 3
5.1 O1 — high­temperature annealed to accentuate ultrasonic response and provide
dimensional stability . 3
...

INTERNATIONAL ISO
STANDARD 2107
Fourth edition
2023-xx-01


Aluminium and aluminium alloys —
Wrought products — Temper designations
Aluminium et alliages d'aluminium — Produits corroyés —
Désignation des états métallurgiques





Reference number
Title:
From AutoCAD Dr
Creator:

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ISO/FDIS 2107
ISO/TC 79/SC 9
Secretariat: ANSI
Date: 2023-06-14
Aluminium and aluminium alloys — Wrought products — Temper
designations
Aluminium et alliages d'aluminium — Produits corroyés — Désignation des états métallurgiques
FDIS stage



Reference number
Title:
From AutoCAD Dr
Creator:

TeXMathEditor par
Preview:
This EPS picture w

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© 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
E-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland

iii

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Contents Page
Foreword . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Basic temper designations . 2
4.1 F — as fabricated . 3
4.2 O — annealed. 3
4.3 H — strain-hardened . 3
4.4 W — solution heat-treated. 3
4.5 T — precipitation hardened to produce stable tempers other than F, O or H . 3
5 Subdivisions of O temper designations . 3
5.1 O1 — high-temperature annealed to accentuate ultrasonic response and provide dimensional
stability . 4
5.2 O3 — homogenized . 4
6 Subdivisions of H temper designations . 4
6.1 General . 4
6.2 First digit after H . 4
6.3 Second digit after H . 5
6.4 Third digit after H . 6
6.5 Other digits after H .
...