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PRODUCT DATA of AA5052
MaterialAA5052
General InformationAluminum 5052 is a non heat treatable "strain-hardening" type aluminum alloy. The various tempers are produced by cold working. As the hardness of the temper increases, the alloy exhibits increasing strength along with decreasing elongation. The fatigue endurance limit is higher than that of most wrought aluminum alloys
PrecautionsTypical data covering several tempers. AA data not for design
Chemical Composition2.2% to 2.8% Mg, Rem. Al
CAS Registry NumberCorus
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost Range Very Low
Equivalent DesignationsISO AlMg2, AA 5052
Space ExperienceGood
PHYSICAL PROPERTIES
Crystal StructureFace centered cubic (fcc)
Specific Gravity2.69
Remark: @ Ro
Magnetic PropertiesNonmagnetic
ELASTIC PROPERTIES
Tensile Modulus70.3 GPa
Shear Modulus25.9 GPa
Poisson Ratio0.33
ELECTRICAL PROPERTIES
Electrical Volume Resistivity4.7e-8 ohm.m
Remark: @Room Temperature
THERMAL PROPERTIES
Thermal Conductivity155 W/m.K
Remark: @Room Temperature
Thermal Expansion Coefficient24 µstrain/°C
Remark: @Room Temperature
Melting Range607 to 649 °C
Specific Heat0.88 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
General Corrosion StatusRequires specific corrosion protection
Data Quality: Design Data
Atmospheric CorrosionThe corrosion resistance at of this alloy Is high to atmosphere in Condition 0, H32, H34, H36, H38, For more severe environments, part can be either: Chromated, Chromated and painted, Sulphuric anodised, or Chromic anodised
Stress Corrosion StatusHigh Resistance to SCC: Table 1
Data Quality: Design Data
EMF vs SCE-0.77 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: All others
Test: ECSS-Q-ST-70C Rev.1 Table 5.1
Data Quality: Design Data
MachinabilityThis alloy has relatively fair machinability. It is easier to machine in the hard temper than as annealed and the quality of finish is better if machined in the hard condition. Oil lubricants should be used for machining, except that very light cuts may be done dry.
WeldingThis alloy is readily welded by conventional methods
FLUID SYSTEMS COMPATIBILITY
Gaseous Oxygen (GOX)Meets the mechanical impact requirements. No batch test required
Liquid Oxygen (LOX)Meets the mechanical impact requirements. No batch test required
Nitrogen Tetroxide (N2O4)SCC susceptibility is low and no fluid decomposition
Hydrazine (HDZE)SCC susceptibility is low and no fluid decomposition