Steels - Determination of depth of decarburization (ISO 3887:2003)

ISO 3887:2003 defines decarburization and specifies three methods of measuring the depth of decarburization of non-alloy and low-alloy steels.

Stahl - Bestimmung der Entkohlungstiefe

Diese Internationale Norm definiert Entkohlung und legt drei Verfahren zur Bestimmung der Entkohlungstiefe von unlegierten und niedriglegierten Stählen fest.

Aciers - Détermination de la profondeur de décarburation (ISO 3887:2003)

L'ISO 3887:2002 définit la décarburation et spécifie trois méthodes de mesurage de la profondeur de décarburation des aciers non alliés et faiblement alliés.

Jekla - Določevanje globine razogličene plasti (ISO 3887:2003)

General Information

Status
Withdrawn
Publication Date
28-Feb-2003
Withdrawal Date
30-Jan-2018
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
31-Jan-2018

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SLOVENSKI STANDARD
SIST EN ISO 3887:2004
01-marec-2004
-HNOD'RORþHYDQMHJORELQHUD]RJOLþHQHSODVWL ,62
Steels - Determination of depth of decarburization (ISO 3887:2003)
Stahl - Bestimmung der Entkohlungstiefe
Aciers - Détermination de la profondeur de décarburation (ISO 3887:2003)
Ta slovenski standard je istoveten z: EN ISO 3887:2003
ICS:
77.040.99 Druge metode za Other methods of testing of
preskušanje kovin metals
77.080.20 Jekla Steels
SIST EN ISO 3887:2004 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 3887:2004
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SIST EN ISO 3887:2004
EUROPEAN STANDARD
EN ISO 3887
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2003
ICS 77.040.99
English version
Steels - Determination of depth of decarburization (ISO
3887:2003)

Aciers - Détermination de la profondeur de décarburation Stahl - Bestimmung der Entkohlungstiefe (ISO 3887:2003)

(ISO 3887:2003)
This European Standard was approved by CEN on 17 January 2003.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official

versions.

CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,

Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United

Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3887:2003 E

worldwide for CEN national Members.
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SIST EN ISO 3887:2004
EN ISO 3887:2003 (E)
CORRECTED 2003-07-16
Foreword

This document (EN ISO 3887:2003) has been prepared by Technical Committee ISO/TC 17

"Steel" in collaboration with Technical Committee ECISS/TC 2 "Steel - Physico-chemical and

non-destructive testing", the secretariat of which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of

an identical text or by endorsement, at the latest by September 2003, and conflicting national

standards shall be withdrawn at the latest by September.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of

the following countries are bound to implement this European Standard: Austria, Belgium, Czech

Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,

Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and

the United Kingdom.
Endorsement notice

The text of ISO 3887:2003 has been approved by CEN as EN ISO 3887:2003 without any

modifications.

NOTE Normative references to International Standards are listed in Annex ZA (normative).

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SIST EN ISO 3887:2004
EN ISO 3887:2003 (E)
Annex ZA
(normative)
Normative references to international publications
with their relevant European publications

This European Standard incorporates by dated or undated reference, provisions from other

publications. These normative references are cited at the appropriate places in the text and the

publications are listed hereafter. For dated references, subsequent amendments to or revisions of

any of these publications apply to this European Standard only when incorporated in it by

amendment or revision. For undated references the latest edition of the publication referred to

applies (including amendments).

NOTE Where an International Publication has been modified by common modifications, indicated

by (mod.), the relevant EN/HD applies.
Publication Year Title EN Year
ISO 6507-1 1997 Metallic materials — Vickers hardness EN ISO 6507-1 1997
test — Part 1: Test method
ISO 9556 1989 Steel and iron — Determination of total EN ISO 9556 2001
carbon content — Infrared absorption
method after combustion in an
induction furnace
ISO 15349-2 1999 Unalloyed steel - Determination of low EN ISO 15349-2 2003
carbon content - Part 2: Infrared
absorption method after combustion in
an induction furnace (with preheating)
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SIST EN ISO 3887:2004
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SIST EN ISO 3887:2004
INTERNATIONAL ISO
STANDARD 3887
Second edition
2003-03-01
Steels — Determination of depth of
decarburization
Aciers — Détermination de la profondeur de décarburation
Reference number
ISO 3887:2003(E)
ISO 2003
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SIST EN ISO 3887:2004
ISO 3887:2003(E)
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© ISO 2003

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ii © ISO 2003 — All rights reserved
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SIST EN ISO 3887:2004
ISO 3887:2003(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the

International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 3887 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 7, Methods of testing

(other than mechanical tests and chemical analysis).

This second edition cancels and replaces the first edition (ISO 3887:1976), which has been technically revised.

© ISO 2003 — All rights reserved iii
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SIST EN ISO 3887:2004
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SIST EN ISO 3887:2004
INTERNATIONAL STANDARD ISO 3887:2003(E)
Steels — Determination of depth of decarburization
1 Scope

This International Standard defines decarburization and specifies three methods of measuring the depth of

decarburization of non-alloy and low-alloy steels.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.
ISO 4545, Metallic materials — Hardness test — Knoop test
ISO 6507-1, Metallic materials — Vickers hardness test — Part 1: Test method

ISO 9556, Steel and iron — Determination of total carbon content — Infrared absorption method after

combustion in an induction furnace

ISO 15349-2, Unalloyed steel — Determination of low carbon content — Part 2: Infrared absorption method

after combustion in an induction furnace (with preheating)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
decarburization
loss of carbon from the surface zone of the steel where the loss is:
a) either partial decarburization, d ;

b) or complete decarburization, d , measured as the distance between the surface of the product and the

point at which carbon is detectable

NOTE The depth of complete decarburization as described in b) is determined by examination of the microstructure.

3.2
depth of functional decarburization

distance between the surface of the product and the point at which the carbon content or hardness is at the

level where the performance of the product would be unaffected by a reduction in carbon (i.e., at the minimum

level specified in the product standard)
© ISO 2003 — All rights reserved 1
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SIST EN ISO 3887:2004
ISO 3887:2003(E)
3.3
depth of total decarburization

distance between the surface of the product and the point at which the carbon content is that of the unaffected

core, the sum of the partial and the complete decarburization d + d being designated by the letters DD and

3 1
expressed in millimetres, e.g., DD = 0,08 mm

NOTE The various bands of decarburization are shown diagrammatically in Figure 1. The boundaries separating the

various types of decarburizat
...

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