AlloygroupAlloydesignationCastablityOtherpropertiesMechanicalpropertiesISOChemicalsymbolsFluidity1Resistancetohottearing2Pressuretightness3MachinabilityascastMachinabilityafterheattreatmentResistancetocorrosionDecorativeanodizingAbilitytobeweldedabilitytobepolishedLinearthermalexpansionElextricalconductivityMS/mThermalconductivityW/(m.k)StrengthatroomtemperatureStrengthatelevatedtemperatureDuctility(shockresistance)FatiguestrengthMpaAlAl99.7CDBCN/AAABB2136210EEAN/AAl99.5CDBCN/AAABB2135210EEAN/AAA1100SimilarwithAl99.5,这个系列在NADCA是不推荐的,压铸性能一般,良好的导热性能和耐腐蚀性能AlSiAlSi9AACCN/ACEDD2116to22130to150CCC60to90AC4440SimilarwithAlSi9359AlSi12(Fe)AACCN/ACEDD2016to22130to160BCC60to90AC44300SimilarwithAlsi12(Fe)ADC1413A413YL102AlSi10Mg4AlSi10Mg(Fe)AACBN/ACEDD2116to21130to150BCC60to90AC43400SimilarwithAlSi10Mg(Fe),可压铸性能很差,不推荐使用ADC3A360YL104AlSi9CuAlSi8Cu3BBBBN/ADEBC2114to18110to130BAC60to90AC46200SimilarwithAlSi8Cu3,使用较多,AlSi9Cu系比较类似A380380YL112AlSi9Cu3(Fe)BBCBN/ADEFC2113to17110to120BAD60to90AC46000SimilarwithAlSi9Cu3(Fe),最常用压铸铝合金,AlSi9Cu系比较类似ADC12A383A384YL113AlSi9Cu3(Fe)(Zn)BBBBN/ADEFC2113to17110to120BAD60to90AC46500SimilarwithAlSi9Cu3(Fe)(Zn),AlSi9Cu系比较类似ADC10A380AlSi11Cu2(Fe)ABCCN/ADEFC2014to18120to150BBD60to90AC46100SimilarwithAlSi11Cu2(Fe),ADC12A384YL108AlSi11Cu3(Fe)ABCCN/ADEFC2014to18120to150BBD60to90YL113SimilarwithAlSi11Cu3(Fe),AlSi9Cu系比较类似AlSi12CuAlSi12Cu1(Fe)AAACN/ACEFC2015to20120to150BBC60to90AC47100SimilarwithAlSi12Cu1(Fe)AA384AlSi17CuAlSi17Cu4MgDCBEBDDDD1824139to190BBE60to90B390SimilarwithAlSi17CuADC14YL117AlMgAlMg9CDDAN/AABCA2411to1460to90CBC60to90AC51200SimilarwithAlMg9,YL302actuallyissimilarwithAlmg5520YL302USA712issimilarwithISOAlZnMgac71000.ithasbadcastability1.Fluidityabilityofanalloytomakethinwallcastingsandreproducefinedetail2.Hottearingtendencyforacracktoforminacastingduetothedevelopmentofinternalstressduringsolidification3.Pressuretightnesstendancynottoleakduringpressuretesting4.AlSi10Mg的可压铸性能很差,不推荐使用