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1、DEUTSCHENORMAugust1997Founding{GreycastironEnglishversionofDINEN1561EN1561ICS77.080.10SupersedesDIN1691andSuppl1toDIN1691,Descriptors:Greycastiron.May1985editions,andDIN50109,April1989Gießereiwesen–GußeisenmitLamellengraphitedition.EuropeanStandardEN1561:1997hasthestatusofaDINStandard.Ac
2、ommaisusedasthedecimalmarker.NationalforewordThisstandardhasbeenpreparedbyCEN/TC190.TheresponsibleGermanbodyinvolvedinitspreparationwastheNormenausschußGießereiwesen(FoundryPracticeStandardsCommittee),TechnicalCommitteeGrauguß.Foreaseofreference,aNationalAnnexisprovidedoverleafinwhichthe
3、materialgradesspecifiedinthisstandardarecorrelatedwiththosepreviouslyusedinGermany.AmendmentsDIN1691andSupplement1toDIN1691,May1985editions,andDIN50109,April1989edition,havebeensupersededbythespecificationsofEN1561.PreviouseditionsDINDVMA109:1933-09;DIN1691:1928-04,1929-08,1933-07,1942-0
4、8,1949x-11,1964-08,1985-05;SuppltoDIN1691:1964-08;Suppl1toDIN1691:1985-05;DIN50108:1947-01,1950-10,1967-01;DIN50109:1947-01,1950-10,1962-02,1968-03,1989-04.Continuedoverleaf.ENcomprises19pages.©NopartofthisstandardmaybereproducedwithoutthepriorpermissionofRef.No.DINEN1561:1997-08DINDeuts
5、chesInstitutfürNormunge.V.,Berlin.Englishpricegroup12SalesNo.1112BeuthVerlagGmbH,Berlin,hastheexclusiverightofsaleforGermanStandards(DIN-Normen).02.98Normen-Download-Beuth-InterpumpHydraulicsS.p.a.BusinessUnitPZB-KdNr.7045440-LfNr.3548705001-2007-03-1316:16B55EB1B3C7662F79D1B59483A53B9F2
6、F82C98BEEB7939A887FD57AAED7FB01D140EA4A1A83E8479693BF208D0653839DAE60AFEA02FB7650A03A668734C67898040E9BF76E2A36A25428000A08B9266AEDC52F49F6B2BC93E37D68D958945320F30BBD87A993D7ADBE5EB220A19BA439BB45Page2DINEN1561:1997-08NationalAnnexNAListofgreycastirongradesusedinthisstandardcorrelatedwi
7、ththoseusedpreviouslyinDIN1691DesignationasinDIN1691DesignationasinDINEN1561SymbolMaterialnumberSymbolMaterialnumber100150200250300350HB155HB175HB195HB215HB235HB255Normen-Download-Beuth-InterpumpHydraulicsS.p.a.BusinessUnitPZB-KdNr.7045440-LfNr.3548705001-2007-03-1316:16B
