1、AECMA STANDARD NORME AECMA AECMA NORM prEN 4235-3Edition P 2May 2003 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8110 - Fax. + 32 2 775 8111 - www.aecma-stan.orgDescriptors: ENGLISH VERSION Aerospace series Serie a
2、rospatiale Luft- und Raumfahrt This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically a
3、pproved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After exami
4、nation and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 15 May 2003 Comments should be sent within six months after the date of publication to AECMA-STAN Metallic Material Domain
5、Copyright 2003 by AECMA-STANWrought productsProduits corroys Umgeformte ErzeugnisseTechnical specificationPart 3 : Bar and sectionSpcification techniquePartie 3 : Barres et profilsTechnische LieferbedingungenTeil 3 : Stangen und ProfileSteel Acier Stahl Withdrawal approvedICS: Supersedes edition P 1February 1994
