ISO 3887:2023

NORME ISO
INTERNATIONALE 3887
Quatrième édition
2023-09
Aciers — Détermination de la
profondeur de décarburation
Steels — Determination of the depth of decarburization
Numéro de référence
ISO 3887:2023(F)
© ISO 2023

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ISO 3887:2023(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
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CH-1214 Vernier, Genève
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Publié en Suisse
ii
  © ISO 2023 – Tous droits réservés

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ISO 3887:2023(F)
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives .1
3 Termes et définitions . 1
4 Prélèvement d’échantillons . 2
5 Méthodes de mesure .2
5.1 Généralités . 2
5.2 Méthode métallographique . 3
5.2.1 Généralités . 3
5.2.2 Prélèvement et préparation de l'échantillon . 3
5.2.3 Mesurage . 3
5.3 Méthode de mesurage de la microdureté . 5
5.3.1 Généralités . 5
5.3.2 Prélèvement et préparation de l'échantillon . 6
5.3.3 Mesurage . 6
5.4 Méthodes de détermination de la teneur en carbone . 8
5.4.1 Généralités . 8
5.4.2 Analyse chimique . 8
5.4.3 Analyse spectrographique . 8
5.4.4 Interprétation des résultats (méthodes chimiques et spectrographiques). 8
5.4.5 Analyse par microsonde électronique (EPMA) . 8
5.4.6 Analyse par spectrométrie d'émiss
...

ISO/TC 17/SC 7
Date: 2023-03
ISO/FDIS 3887:2023(E)
ISO/TC 17/SC 7
Secretariat: AFNOR
Date: 2023-05-10
Steels — Determination of the depth of decarburization
Aciers — Détermination de la profondeur de décarburation
Edited DIS - MUST BE USED FOR FINAL DRAFT
FDIS stage
© ISO 2023 —– All rights reserved

---------------------- Page: 1 ----------------------
ISO/FDIS 3887:2023(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: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
© ISO 2023 — All rights reserved

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ISO/FDIS 3887:2023(E)
Contents
Foreword . iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Sampling . 2
5 Measuring methods . 2
5.1 General . 2
5.2 Metallographic method . 3
5.2.1 General . 3
5.2.2 Selection and preparation of the sample . 3
5.2.3 Measurement . 3
5.3 Methods for measuring the micro-indentation hardness . 5
5.3.1 General . 5
5.3.2 Selection and preparation of the sample . 7
5.3.3 Measurement . 7
5.4 Methods of determination of the carbon content . 9
5.4.1 General . 9
5.4.2 Chemical analysis . 9
5.4.3 Spectrographic analysis . 10
5.4.4 Interpretation of the results (chemical and spectrographic methods) . 10
5.4.5 Electron probe microanalysis (EPMA) . 10
5.4.6 Glow discharge optical emission spectrometry (GDOES) . 10
6
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 3887
ISO/TC 17/SC 7
Steels — Determination of the depth
Secretariat: AFNOR
of decarburization
Voting begins on:
2023-05-25
Aciers — Détermination de la profondeur de décarburation
Voting terminates on:
2023-08-17
ISO/CEN PARALLEL PROCESSING
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 3887:2023(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 3887:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 3887
ISO/TC 17/SC 7
Steels — Determination of the depth
Secretariat: AFNOR
of decarburization
Voting begins on:
Aciers — Détermination de la profondeur de décarburation
Voting terminates on:
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
ISO/CEN PARALLEL PROCESSING
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 3887:2023(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 3887:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Sampling . 2
5 Measuring methods . 2
5.1 General . 2
5.2 Metallographic method . 3
5.2.1 General . 3
5.2.2 Selection and preparation of the sample . 3
5.2.3 Measurement . 3
5.3 Methods for measuring the micro­indentation hardness . 5
5.3.1 General .
...