Additive manufacturing - Feedstock materials - Methods to characterize metal powders (ISO/ASTM 52907:2019)

This document provides technical specifications for metallic powders intended to be used in additive manufacturing and covers the following aspects:
—          documentation and traceability;
—          sampling;
—          particle size distribution;
—          chemical composition;
—          characteristic densities;
—          morphology;
—          flowability;
—          contamination;
—          packaging and storage.
This document does not deal with safety aspects.
In addition, this document gives specific requirements for used metallic powders in additive manufacturing.

Additive Fertigung - Ausgangswerkstoffe - Verfahren zur Charakterisierung von Metallpulvern (ISO /ASTM 52907:2019)

Dieses Dokument stellt technische Spezifikationen für Metallpulver zur Verfügung, die für die Nutzung bei der additiven Fertigung bestimmt sind und umfasst folgende Gesichtspunkte:
—   Dokumentation und Rückverfolgbarkeit;
—   Probenahme;
—   Teilchengrößenverteilung;
—   chemische Zusammensetzung;
—   Dichte;
—   Morphologie;
—   Fließfähigkeit;
—   Reinheitsgrad;
—   Verpackung und Lagerung.
Dieses Dokument behandelt keine Sicherheitsaspekte.
Darüber hinaus enthält dieses Dokument besondere Anforderungen an gebrauchte Metallpulver bei der additiven Fertigung.

Fabrication additive - Matières premières - Méthodes pour caractériser les poudres métalliques (ISO/ASTM 52907:2019)

Aditivna proizvodnja - Surovine - Metode za označevanje vrst kovinskega prahu (ISO/ASTM 52907:2019)

Ta mednarodni standard opisuje tehnične specifikacije za kovinske praške, namenjene za uporabo pri aditivni proizvodnji, in zajema naslednje vidike:
– dokumentacija in sledljivost
– vzorčenje
– porazdelitev velikosti delcev
– kemična sestava
– značilne gostote
– morfologija
– sipkost
– toplotne značilnosti
– čistost
– embalaža in shranjevanje
Ta mednarodni standard ne obravnava varnostnih vidikov.
Poleg tega ta mednarodni standard podaja določene zahteve za ponovno uporabljene kovinske
praške pri aditivni proizvodnji.

General Information

Status
Published
Publication Date
17-Dec-2019
Withdrawal Date
29-Jun-2020
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
18-Dec-2019
Completion Date
18-Dec-2019

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SLOVENSKI STANDARD
01-marec-2020
Aditivna proizvodnja - Surovine - Metode za označevanje vrst kovinskega prahu
(ISO/ASTM 52907:2019)
Additive manufacturing - Feedstock materials - Methods to characterize metal powders
(ISO/ASTM 52907:2019)
Additive Fertigung - Ausgangswerkstoffe - Verfahren zur Charakterisierung von
Metallpulvern (ISO /ASTM 52907:2019)
Fabrication additive - Matières premières - Méthodes pour caractériser les poudres
métalliques (ISO/ASTM 52907:2019)
Ta slovenski standard je istoveten z: EN ISO/ASTM 52907:2019
ICS:
25.030 3D-tiskanje Additive manufacturing
77.160 Metalurgija prahov Powder metallurgy
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO/ASTM 52907
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2019
EUROPÄISCHE NORM
ICS 25.030
English Version
Additive manufacturing - Feedstock materials - Methods to
characterize metal powders (ISO/ASTM 52907:2019)
Fabrication additive - Matières premières - Méthodes Additive Fertigung - Technische Spezifikationen für
pour caractériser les poudres métalliques (ISO/ASTM Metallpulver (ISO/ASTM 52907:2019)
52907:2019)
This European Standard was approved by CEN on 26 July 2019.

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 CEN-CENELEC 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 CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO/ASTM 52907:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO/ASTM 52907:2019) has been prepared by Technical Committee ISO/TC 261
"Additive manufacturing" in collaboration with Technical Committee CEN/TC 438 “Additive
Manufacturing” 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 June 2020, and conflicting national standards shall be
withdrawn at the latest by June 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO/ASTM 52907:2019 has been approved by CEN as EN ISO/ASTM 52907:2019 without
any modification.
INTERNATIONAL ISO/ASTM
STANDARD 52907
First edition
2019-11
Additive manufacturing — Feedstock
materials — Methods to characterize
metal powders
Fabrication additive — Matières premières — Méthodes pour
caractériser les poudres métalliques
Reference number
ISO/ASTM 52907:2019(E)
©
ISO/ASTM International 2019
ISO/ASTM 52907:2019(E)
© ISO/ASTM International 2019
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. In the United States, such requests should be sent to ASTM International.
ISO copyright office ASTM International
CP 401 • Ch. de Blandonnet 8 100 Barr Harbor Drive, PO Box C700
CH-1214 Vernier, Geneva West Conshohocken, PA 19428-2959, USA
Phone: +41 22 749 01 11 Phone: +610 832 9634
Fax: +41 22 749 09 47 Fax: +610 832 9635
Email: copyright@iso.org Email: khooper@astm.org
Website: www.iso.org Website: www.astm.org
Published in Switzerland
ii © ISO/ASTM International 2019 – All rights reserved

ISO/ASTM 52907:2019(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Technical specifications . 2
4.1 General . 2
4.2 Documentation and traceability . 2
4.3 Sampling . 3
4.4 Particle size distribution . 3
4.5 Chemical composition . 5
4.6 Characteristic densities . 6
4.7 Morphology . 7
4.8 Flowability . 7
4.9 Contamination . 8
4.10 Packaging, handling and storage . 8
4.10.1 General. 8
4.10.2 Packaging and handling . 8
4.10.3 Storage . 9
Annex A (informative) Examples of morphology .10
Annex B (informative) Example of certificate .15
Bibliography .18
© ISO/ASTM International 2019 – All rights reserved iii

ISO/ASTM 52907:2019(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso .org/
iso/ foreword .html.
This document was prepared by ISO/TC 261, Additive manufacturing, in cooperation with ASTM F 42,
Additive manufacturing technologies, on the basis of a partnership agreement between ISO and ASTM
International with the aim to create a common set of ISO/ASTM standards on additive manufacturing.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO/ASTM International 2019 – All rights reserved

ISO/ASTM 52907:2019(E)
Introduction
The document aims to simplify the relation between the supplier and the customer for the supply of
metallic powder for additive manufacturing purpose whatever the process involved.
The document does not aim to develop new standards but provides a list of existing standards dedicated
to metallic powder that are suitable for additive manufacturing.
© ISO/ASTM International 2019 – All rights reserved v

INTERNATIONAL STANDARD ISO/ASTM 52907:2019(E)
Additive manufacturing — Feedstock materials — Methods
to characterize metal powders
1 Scope
This document provides technical specifications for metallic powders intended to be used in additive
manufacturing and covers the following aspects:
— documentation and traceability;
— sampling;
— particle size distribution;
— chemical composition;
— characteristic densities;
— morphology;
— flowability;
— contamination;
— packaging and storage.
This document does not deal with safety aspects.
In addition, this document gives specific requirements for used metallic powders in additive
manufacturing.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes re
...


SLOVENSKI STANDARD
01-marec-2020
Aditivna proizvodnja - Surovine - Metode za označevanje kovinskih praškov
(ISO/ASTM 52907:2019)
Additive manufacturing - Feedstock materials - Methods to characterize metal powders
(ISO/ASTM 52907:2019)
Additive Fertigung - Technische Spezifikationen für Metallpulver (ISO/ASTM
52907:2019)
Fabrication additive - Matières premières - Méthodes pour caractériser les poudres
métalliques (ISO/ASTM 52907:2019)
Ta slovenski standard je istoveten z: EN ISO/ASTM 52907:2019
ICS:
25.030 3D-tiskanje Additive manufacturing
77.160 Metalurgija prahov Powder metallurgy
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO/ASTM 52907
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2019
EUROPÄISCHE NORM
ICS 25.030
English Version
Additive manufacturing - Feedstock materials - Methods to
characterize metal powders (ISO/ASTM 52907:2019)
Fabrication additive - Matières premières - Méthodes Additive Fertigung - Technische Spezifikationen für
pour caractériser les poudres métalliques (ISO/ASTM Metallpulver (ISO/ASTM 52907:2019)
52907:2019)
This European Standard was approved by CEN on 26 July 2019.

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 CEN-CENELEC 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 CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO/ASTM 52907:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO/ASTM 52907:2019) has been prepared by Technical Committee ISO/TC 261
"Additive manufacturing" in collaboration with Technical Committee CEN/TC 438 “Additive
Manufacturing” 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 June 2020, and conflicting national standards shall be
withdrawn at the latest by June 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO/ASTM 52907:2019 has been approved by CEN as EN ISO/ASTM 52907:2019 without
any modification.
INTERNATIONAL ISO/ASTM
STANDARD 52907
First edition
2019-11
Additive manufacturing — Feedstock
materials — Methods to characterize
metal powders
Fabrication additive — Matières premières — Méthodes pour
caractériser les poudres métalliques
Reference number
ISO/ASTM 52907:2019(E)
©
ISO/ASTM International 2019
ISO/ASTM 52907:2019(E)
© ISO/ASTM International 2019
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. In the United States, such requests should be sent to ASTM International.
ISO copyright office ASTM International
CP 401 • Ch. de Blandonnet 8 100 Barr Harbor Drive, PO Box C700
CH-1214 Vernier, Geneva West Conshohocken, PA 19428-2959, USA
Phone: +41 22 749 01 11 Phone: +610 832 9634
Fax: +41 22 749 09 47 Fax: +610 832 9635
Email: copyright@iso.org Email: khooper@astm.org
Website: www.iso.org Website: www.astm.org
Published in Switzerland
ii © ISO/ASTM International 2019 – All rights reserved

ISO/ASTM 52907:2019(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Technical specifications . 2
4.1 General . 2
4.2 Documentation and traceability . 2
4.3 Sampling . 3
4.4 Particle size distribution . 3
4.5 Chemical composition . 5
4.6 Characteristic densities . 6
4.7 Morphology . 7
4.8 Flowability . 7
4.9 Contamination . 8
4.10 Packaging, handling and storage . 8
4.10.1 General. 8
4.10.2 Packaging and handling . 8
4.10.3 Storage . 9
Annex A (informative) Examples of morphology .10
Annex B (informative) Example of certificate .15
Bibliography .18
© ISO/ASTM International 2019 – All rights reserved iii

ISO/ASTM 52907:2019(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso .org/
iso/ foreword .html.
This document was prepared by ISO/TC 261, Additive manufacturing, in cooperation with ASTM F 42,
Additive manufacturing technologies, on the basis of a partnership agreement between ISO and ASTM
International with the aim to create a common set of ISO/ASTM standards on additive manufacturing.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO/ASTM International 2019 – All rights reserved

ISO/ASTM 52907:2019(E)
Introduction
The document aims to simplify the relation between the supplier and the customer for the supply of
metallic powder for additive manufacturing purpose whatever the process involved.
The document does not aim to develop new standards but provides a list of existing standards dedicated
to metallic powder that are suitable for additive manufacturing.
© ISO/ASTM International 2019 – All rights reserved v

INTERNATIONAL STANDARD ISO/ASTM 52907:2019(E)
Additive manufacturing — Feedstock materials — Methods
to characterize metal powders
1 Scope
This document provides technical specifications for metallic powders intended to be used in additive
manufacturing and covers the following aspects:
— documentation and traceability;
— sampling;
— particle size distribution;
— chemical composition;
— characteristic densities;
— morphology;
— flowability;
— contamination;
— packaging and storage.
This document does not deal with safety aspects.
In addition, this document gives specific requirements for used metallic powders in additive
manufacturing.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For
...

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