EN IS0/ASTM 52904 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM July 2024 ICS 25.030 Supersedes EN IS0/ASTM 52904:2020 English Version Additive manufacturing of metals - Process characteristics and performance - Metal powder bed fusion process to meet critical applications (IS0/ASTM 52904:2024) Fabrication additive de métaux - Caracteristiques et Additive Fertigung von Metallen - performances du procedé - Procede de fusion sur lit de Prozessanforderungen und Qualifizierung poudre métallique en vue de repondre aux applications Pulverbettbasiertes Schmelzen von Metallen fur critiques (IS0/ASTM 52904:2024) kritische Anwendungen (IS0/ASTM 52904:2024) This European Standard was approved by CEN on 12 July 2024. European Standard the status ofa 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 translationundertheresponsibilityofa CENmemberintoitsownlanguageand notifiedtotheCEN-CENELECManagement Centrehasthesamestatusastheofficialversions. 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, Turkiye and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN All rights of exploitation in any form and by any means reserved Ref.No.ENIS0/ASTM52904:2024E worldwide for CEN national Members. EN IS0/ASTM 52904:2024 (E) Contents Page European foreword... 2 EN IS0/ASTM 52904:2024 (E) European foreword This document (EN IS0/ASTM 52904:2024) has been prepared by Technical Committee IS0/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of an identical text or by endorsement, at the latest by January 2025, and conflicting national standards shall be withdrawn at the latest by January 2025. 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. This document supersedes EN IS0/ASTM 52904:2020. Any feedback and questions on this document should be directed to the users' national standards body/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite. 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0/ASTM 52904:2024 has been approved by CEN as EN IS0/ASTM 52904:2024 without any modification. 3