Machinability after heat treatmentResistance to hot tearing23Other properties
Machinability as castElextrical conductivity MS/mMechanical propertiesStrength at room temperatureFatigue strength MpaN/AN/A60to9060to9060to9060to9060to9060to9060to9060to9060to9060to9060to90Ductility(shock resistance)AACCCCDDDDCECPressure tightnessLinear thermal expansionResistance to corrosionAbility to be weldedability to be polishedThermal conductivity W/(m.k)Al
AlSi
AlSi10Mg4
AlSi9Cu
AlSi12CuAlSi17Cu
AlMg
Al99.7Al99.5AA1100AlSi9AC4440359AlSi12(Fe)AC44300ADC1413A413YL102
AlSi10Mg(Fe)AC43400ADC3A360YL104AlSi8Cu3AC46200A380380YL112AlSi9Cu3(Fe)AC46000ADC12A383A384YL113AlSi9Cu3(Fe)(Zn)AC46500ADC10A380
AlSi11Cu2(Fe)AC46100ADC12A384YL108
AlSi11Cu3(Fe)YL113AlSi12Cu1(Fe)AC47100AA384
AlSi17Cu4MgB390ADC14YL117AlMg9AC51200520YL302
CCA
DDABCN/AAABB2136210EEBCN/AAABB2135210EESimilar with Al99.5，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CCN/ACEDD2116to22130to150CC
Similar with AlSi9
AACCN/ACDecorative anodizingFluidityAlloy group
EDD2016to22130to160BSimilar with Alsi12(Fe)
AACBN/ACEDD2116to21130to150BSimilar with AlSi10Mg(Fe)，可压铸性能很差，不推荐使用
BBBBN/ADEBC2114to18110to130BASimilar with AlSi8Cu3，使用较多，AlSi9Cu系比较类似
BBCBN/ADEFC2113to17110to120BASimilar with AlSi9Cu3(Fe)，最常用压铸铝合金，AlSi9Cu系比较类似
BBBBN/ADEFC2113to17110to120B
Similar with AlSi9Cu3(Fe)(Zn)，AlSi9Cu系比较类似
A
B
C
C
N/A
D
E
F
C
20
14to18120to150B
B
Similar with AlSi11Cu2(Fe)，
AA
BA
CA
CC
N/AN/A
DEFC2014to18120to150Similar with AlSi11Cu3(Fe)，AlSi9Cu系比较类似CEFC2015to20120to150Similar with AlSi12Cu1(Fe)
D
C
B
E
B
D
D
D
D
18
24
139to190B
B
BB
BB
Similar with AlSi17Cu
CDDAN/AABCA2411to1460to90CBSimilar with AlMg9,YL302 actually is similar with Almg5
USA 712 is similar with ISO AlZnMg ac71000 .it has bad castability
1. Fluidity
ability of an alloy to make thin wall castings and reproduce fine detail2. Hot tearing
tendency for a crack to form in a casting due to the development of internal stress during solidification3. Pressure tightness
tendancy not to leak during pressure testing4. AlSi10Mg 的可压铸性能很差，不推荐使用Strength at elevated temperatureCCA
1
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