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PRODUCT DATA of AA5456-H32
MaterialAA5456-H32
Chemical CompositionAl-5.1Mg-0.8Mn-0.12Cr
EXPERIENCE IN PRACTICE
Equivalent DesignationsAA 5456
PHYSICAL PROPERTIES
Crystal StructureFace centered cubic (fcc)
Specific Gravity2.65
Magnetic PropertiesNonmagnetic
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE-0.79 V
Bimetallic CorrosionCan be used in a non-controlled environment: Al alloys, Cd
Can be used in a clean room environment: Mg, Sn-Pb alloys (all), Sn, Pb, Zn, Be
Needs specific measures
Remark: ECSS-Q-ST-70C Rev.1 table 5.1
Data Quality: Design Data All others
SPECIAL RECOMMENDATIONS
Lessons LearnedThe alloy is prohibited for continuous service at temperatures above 66°C because of accelerated aging at elevated temperatures which may increase the susceptibility of the alloy to stress corrosion cracking