EN ISO 945-1-2008 en Microstructure of cast irons - Part 1 Graphite classification by visual analysis《铸铁微观结构 第1部分 通过目测分析进行石墨的分类》.pdf
《EN ISO 945-1-2008 en Microstructure of cast irons - Part 1 Graphite classification by visual analysis《铸铁微观结构 第1部分 通过目测分析进行石墨的分类》.pdf》由会员分享,可在线阅读,更多相关《EN ISO 945-1-2008 en Microstructure of cast irons - Part 1 Graphite classification by visual analysis《铸铁微观结构 第1部分 通过目测分析进行石墨的分类》.pdf(28页珍藏版)》请在麦多课文档分享上搜索。
1、BS EN ISO945-1:2008ICS 77.080.10; 77.140.80NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDMicrostructure of castironsPart 1: Graphite classification byvisual analysis IncorporatingcorrigendumMarch 2010National forewordThis British Standard is the UK implementat
2、ion of EN ISO 945-1:2008. It is identical to ISO 945-1:2008, incorporating corrigendum March 2010. It supersedes BS EN ISO 945:1994 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ISE/35, Cast iron.A list of organizations represented on this committee
3、can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN ISO 945-1:2008This British Sta
4、ndard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2008 BSI 2010Amendments/corrigenda issued since publicationDate Comments 30 April 2010 Implementation of ISO corrigendum March 2010; Table C.1 replacedISBN 978 0 580 70831 2EUROPEAN STANDARDNORME EU
5、ROPENNEEUROPISCHE NORMEN ISO 945-1November 2008ICS 77.080.10 Supersedes EN ISO 945:1994 English VersionMicrostructure of cast irons - Part 1: Graphite classification byvisual analysis (ISO 945-1:2008)Microstructure des fontes - Partie 1: Classification dugraphite par analyse visuelle (ISO 945-1:2008
6、)Mikrostruktur von Gusseisen - Teil 1: Graphitklassifizierungdurch visuelle Auswertung (ISO 945-1:2008)This European Standard was approved by CEN on 1 November 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStanda
7、rd the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, G
8、erman). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech R
9、epublic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE
10、NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 945-1:2008: E3 Foreword This document (EN ISO 945-1:2008) has been prepared by
11、 Technical Committee ISO/TC 25 “Cast iron and pig iron“ in collaboration with Technical Committee CEN/TC 190 “Foundry technology“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endors
12、ement, at the latest by May 2009, and conflicting national standards shall be withdrawn at the latest by May 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying an
13、y or all such patent rights. This document supersedes EN ISO 945:1994. 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, Cyprus, Czech Republic, Denmark, Estoni
14、a, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 945-1:2008 has been approved by CEN a
15、s EN ISO 945-1:2008 without any modification. BS EN ISO 945-1:2008EN ISO 945-1:2008 (E)iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 General. 1 2.1 Designation system for classifying graphite in cast irons. 1 2.2 Visual classification of graphite 9 3 Sampling and preparation of samples 1
16、0 3.1 Samples taken from a casting . 10 3.2 Sample preparation 10 4 Procedure for graphite classification . 10 4.1 Procedure for visual classification of graphite . 10 4.2 Evaluation of the analysis results. 10 5 Reference images . 11 5.1 General. 11 5.2 Reference images for graphite form. 11 5.3 Re
17、ference images for the distribution of graphite (form I). 11 5.4 Reference images for graphite size 11 6 Designation of graphite by form, distribution and size 11 6.1 Designation system 11 6.2 Designation of intermediate graphite sizes . 12 6.3 Designation of mixed graphite forms, distributions and
18、sizes 12 6.4 Nodule count . 13 7 Report 13 Annex A (informative) Typical graphite forms in cast-iron materials (Examples of photomicrographs) 15 Annex B (informative) Distribution of flake (lamellar) graphite (form I) (Examples of photomicrographs) 16 Annex C (informative) Common terminology and mai
19、n occurrences concerning graphite in cast irons . 17 Bibliography . 19 BS EN ISO 945-1:2008EN ISO 945-1:2008 (E) lSO 2010 iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Internation
20、al 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,
21、 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 comm
22、ittees 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 p
23、ossibility 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 945-1 was prepared by Technical Committee ISO/TC 25, Cast irons and pig irons. Together with ISO 945-2, this first edition o
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