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1、BRITISH STANDARD BS EN 1564:1997 Incorporating Amendments Nos. 1 and 2 Founding Austempered ductile cast irons The European Standard EN 1564:1997, with the incorporation of amendment A1:2006, has the status of a British Standard ICS 77.140.80 ? BS EN 1564:1997 This British Standard, having been prep
2、ared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 October 1997 BSI 2006 ISBN 0 580 28397 6 National foreword This British Standard is the English language version of EN 1564:1997, including amendment A1:2006
3、. The start and finish of text introduced or altered by CEN amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“. The UK participation in its preparation was entruste
4、d to Technical Committee ISE/35, Cast iron, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document m
5、ay be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. Compliance with a British Standard does not of itself confer immunity from legal obligations.
6、aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This
7、 document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 9893January 1998 Revision of nationa
8、l foreword 1622528 April 2006See national foreword CEN European Commi ttee f or Standardi zati on Comi te Europe en de Normali sati on Europa i sches K omi tee f u r Normung Central Secretari at:rue de Stassart 36, B-1050 Brussels 1997 CEN All ri g hts ofexploi tati on i n any f orm and by any means
9、 reserved worldwi de f or CEN nati onal Members. EUROPEAN STANDARD NORME EUROPE ENNE EUROPA I SCHE NORM I CS 77.140.80 Descri ptors: Foundry eng i neeri ng , cast i ron, g rades, quali ty, desi g nati on, classi f i cati ons, mechani cal properti es, tensi le streng th, elong ati on, hardness, sampl
10、i ng , mechani cal tests Eng li sh versi on Foundi ng Austempered ducti le cast i rons Fonderi e Fonte bai nti queGi eerei wesen Bai ni ti sches Guei sen Up-to-date li sts and bi bli og raphi cal ref erences concerni ngsuch nati onal standards may be obtai ned on appli cati on to the Central Secreta
11、ri at or to any CEN member. Thi s European Standard exi sts i n three of f i ci al versi ons ( Eng li sh, French, German) . A versi on i n any other lang uag e made by translati on under the responsi bi li ty ofa CEN member i nto i ts own lang uag e and noti f i ed to the Central Secretari at has th
12、e same status as the of f i ci al versi ons. EN 1564 June 1997 + A1 January 2006 (includes amendment A1:2006) (inclut lamendement A1:2006)(enthlt nderung A1:2006) This European Standard was approved by CEN on 1997-05-02. Amendment A1 was approved by CEN on 2005-11-30. CEN members are bound to comply
13、 with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Ref. No. EN 1564:1997 + A1:2006 E CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark,
14、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. Pag e 2 EN 1564 :1997 Foreword Thi s European Standard has been prepar
15、ed by Techni cal Commi ttee CEN/ TC 190, Foundry technolog y, the secretari at ofwhi ch i s held by DI N. Thi s European Standard shall be g i ven the status ofa nati onal standard, ei ther by publi cati on ofan i denti cal text or by endorsement, at the latest by December 1997, and conf li cti ngna
16、ti onal standards shall be wi thdrawn at the latest by December 1997. Wi thi n i ts prog ramme ofwork, Techni cal Commi ttee CEN/ TC 190 requested CEN/ TC 190/ WG 2.30, Spheroi dal g raphi te and austempered ducti le i ron, to prepare the f ollowi ngstandard: EN 1564Founding Austempered ductile cast
17、 irons Accordi ngto the CEN/ CENELEC I nternal Reg ulati ons, the nati onal standards org ani zati ons ofthe f ollowi ng countri es are bound to i mplement thi s European Standard: Austri a, Belg i um, Czech Republi c, Denmark, Fi nland, France, Germany, Greece, I celand, I reland, I taly, Luxembour
18、g , Netherlands, Norway, Portug al, Spai n, Sweden, Swi tzerland and the Uni ted K i ng dom. Contents Pag e Foreword2 I ntroducti on3 1Scope3 2Normati ve ref erences3 3Def i ni ti ons3 3.1austempered ducti le cast i ron3 3.2g raphi te spheroi di zi ngtreatment3 3.3austeni te transf ormati on treatme
19、nt3 4Desi g nati on3 5Order i nf ormati on3 6Manuf acture3 7Requi rements 7.1Test pi eces machi ned f rom separately cast sample 7.2Test pi eces machi ned f rom cast-on samples4 7.3Test pi eces machi ned f rom samples cut f rom a casti ng4 8Sampli ng4 8.1General4 8.2Separately cast samples4 8.3Cast-
20、on samples5 8.4Samples cut f rom a casti ng5 9Test methods5 9.1Tensi le test5 9.2I mpact test5 9.3Hardness test5 10Retests6 10.1 Need f or retests6 10.2 Procedure f or retests6 11Re-heat-treatment Fi g ures 1Separately cast samples ( opti on 1)6 2Se arately cast samples ( opti on 2)7 3Separately cas
21、t samples ( opti on 3)8 4Tensi le test pi ece8 5Charpy-notched i mpact test pi ece9 6Cast-on sample9 Annexes A( normati ve) I nf ormati on on hardness10 B( i nf ormati ve) Bi bli og raphy10 C( normati ve) Manuf acture10 D( normati ve) I mpact resi stance10 E( normati ve) Formati on oftest uni ts and
22、 number oftests11 Foreword to amendment A1 This European Standard (EN 1564:1997/A1:2006) has been prepared by Technical Committee CEN/TC 190 “Foundry technology”, the secretariat of which is held by DIN. This Amendment to the European Standard 1564:1997 shall be given the status of a national standa
23、rd, either by publication of an identical text or by endorsement, at the latest by July 2006, and conflicting national standards shall be withdrawn at the latest by July 2006. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade
24、 Association, and supports essential requirements of a EU Directive. For relationship with the EU Directive, see informative Annex ZA, which is an integral part of this European Standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countri
25、es are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, S
26、witzerland and United Kingdom. 4 4 EN 7 12 Inspection documentation7 ZA Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC 11 p BSI 2006 Pag e 3 EN 1564 :1997 1)Austempered ducti le cast i ron i s someti mes called ADI . I ntroducti on Thi s European
27、Standard deals wi th the classi f i cati on of austempered ducti le cast i ron1)i n accordance wi th the mechani cal properti es ofthe materi al. The properti es ofaustempered ducti le cast i ron depend on i ts structure. The mechani cal properti es ofthe materi al may be evaluated on machi ned test
28、 pi eces prepared f rom: separately cast samples; samples cast onto ei ther the casti ngor the runni ng system, hereaf ter ref erred to as cast-on samples; samples cut f rom a casti ng( only when an ag reement i s made between the manuf acturer and the purchaser) . The g rade ofthe materi al i s def
29、 i ned f rom the mechani cal properti es measured on machi ned test pi eces prepared f rom separately cast samples. I fhardness i s a requi rement ofthe purchaser as bei ng i mportant f or the appli cati on, then annex A provi des means f or i ts determi nati on. 1 Scope Thi s European Standard def
30、i nes the g rades and the correspondi ngproperti es ofaustempered ducti le cast i rons. Thi s European Standard speci f i es a classi f i cati on based on mechani cal properti es measured on machi ned test pi eces prepared f rom: separately cast samples; cast-on samples; samples cut f rom a casti ng
31、 . Thi s standard does not cover techni cal deli very condi ti ons f or austempered ducti le cast i ron casti ng s, see EN 1559-1 and EN 1559-3. 2 Normati ve ref erences Thi s European Standard i ncorporates by dated or undated ref erence, provi si ons f rom other publi cati ons. These normati ve re
32、f erences are ci ted at the appropri ate places i n the text and the publi cati ons are li sted hereaf ter. For dated ref erences, subsequent amendments to or revi si ons ofany ofthese publi cati ons apply to thi s European Standard only when i ncorporated i n i t by amendment or revi si on. For und
33、ated ref erences the latest edi ti on ofthe publi cati on ref erred to appli es. EN 10002-1Metallic materials Tensile testing Part 1: Method of test EN 10003-1Metallic materials Brinell hardness test Part 1: Test method EN 10045-1Metallic materials Charpy impact test Part 1: Test method NOTE. I nf o
34、rmati ve ref erences to documents used i n the preparati on ofthi s standard, and ci ted at the appropri ate places i n the text, are li sted i n a bi bli og raphy, see annex B. 3 Def i ni ti ons For the purposes ofthi s standard, the f ollowi ng def i ni ti ons apply: 3.1 austempered ducti le cast
35、i ron Cast materi al, i ron and carbon based, the latter element bei ngpresent mai nly i n the f orm ofthe spheroi dal parti cles, whi ch, compared wi th the spheroi dal g raphi te i ron g rades ( see EN 1563) , combi nes hi g her streng th and toug hness properti es as a result ofheat treatment. 3.
36、2 g raphi te spheroi di zi ngtreatment Treatment whi ch bri ng s the li qui d i ron i nto contact wi th a substance to produce g raphi te i n the spheroi dal f orm duri ngsoli di f i cati on. 3.3 austeni te transf ormati on treatment Heat treatment whi ch consi sts ofthe transf ormati on of austeni
37、te usually i n the temperature rang e between 250 C and 400 C to f orm a predomi nantly austeni ti c-f erri ti c matri x structure. Thi s treatment i s an i nteg ral part ofthe producti on process. 4 Desi g nati on The materi al shall be desi g nated ei ther by symbol or by number as g i ven i n tab
38、le 1. 5 Order i nf ormati on The f ollowi ngi nf ormati on shall be suppli ed by the purchaser: a) the number ofthi s European Standard ( EN 1564) ; b) the desi g nati on ofthe materi al; c) any speci al requi rements whi ch have to be ag reed by the ti me ofacceptance ofthe order. 6 Manuf acture Th
39、e method ofmanuf acturi ngaustempered ducti le i ron as well as i ts chemi cal composi ti on and heat treatment, unless speci f i ed by the purchaser, shall be lef t to the di screti on ofthe manuf acturer ( see also annex C) . All ag reements between the manuf acturer and the purchaser shall be mad
40、e by the ti me ofacceptance of the order. !Austempered ductile cast iron can be used for pressure equipment, e.g. for compressor housings. The suitable material grades for pressure applications and the conditions for their use are given in specific product or application standards. For the design of
41、 pressure equipment, specific design rules apply.“ !EN 10204, Metallic products Types of inspection documents“ BSI 2006 Pag e 4 EN 1564 :1997 Table 1. Mechani cal properti es measured on test pi eces machi ned f rom separately cast samples Materi al desi g nati onTensi le streng th0,2% proofstressEl
42、ong ati on RmRp0,2A N/ mm2N/ mm2% SymbolNumbermi n.mi n.mi n. EN-GJS-800-8EN-JS11008005008 EN-GJS-1000-5EN-JS111010007005 EN-GJS-1200-2EN-JS112012008502 EN-GJS-1400-1EN-JS1130140011001 NOTE 1. The values f or these materi als apply to casti ng s cast i n sand moulds ofcomparable thermal di f f usi v
43、i ty. Subject to amendments to be ag reed upon i n the order, they can apply to casti ng s obtai ned by alternati ve methods. NOTE 2. Whatever the method used f or obtai ni ngthe casti ng s, the g rades are based on the mechani cal properti es measured on test pi eces taken f rom samples separately
44、cast i n a sand mould or a mould ofcomparable thermal di f f usi vi ty. NOTE 3. 1N/ mm2i s equi valent to 1MPa. NOTE 4. The materi al desi g nati on i s i n accordance wi th EN 1560. 7.1.2 Impact test The parti cular i mpact resi stance value speci f i ed i n annex D f or EN- GJS-800-8-RT ( EN-JS110
45、4) f or room temperature appli cati ons, i fappli cable, shall only be determi ned i fspeci f i ed by the purchaser by the ti me of acceptance ofthe order. 7.2 Test pi eces machi ned f rom cast-on samples I n case ofan ag reement on the properti es oftest pi eces machi ned f rom cast-on samples, the
46、 materi al desi g nati on by symbol shall be f ollowed by the letter U and the last character ofthe desi g nati on by number shall be 2. NOTE. The properti es oftest pi eces machi ned f rom cast-on test samples cannot ref lect exactly the properti es ofthe casti ngi tself , but may be a better appro
47、xi mati on than those obtai ned on test pi eces machi ned f rom separately cast test samples. 7.3 Test pi eces machi ned f rom samples cut f rom a casti ng I fappli cable, the manuf acturer and the purchaser shall ag ree on: the place( s) on a casti ngwhere the sample( s) shall be taken; the mechani
48、 cal properti es that shall be measured; the values ofthese mechani cal properti es. NOTE. The properti es ofcasti ng s are not uni f orm because ofthe complexi ty and vari ati on i n secti on thi ckness. I n the absence ofan i n-process quali ty assurance procedure or any other ag reement between t
49、he manuf acturer and the purchaser, a mi ni mum ofone tensi le test sample shall be produced to conf i rm the materi al at a f requency to be ag reed between the manuf acturer and the purchaser by the ti me of acceptance ofthe order. When i mpact tests are ag reed by the ti me of acceptance ofthe order, samples shall be produced at a f requency to be ag reed between the manuf acture