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PRODUCT DATA of AA2014-T6
MaterialAA2014-T6
General InformationThis is a precipitation hardening alloy with good strength after heat treatment
Processing and AssemblySolution heat treated and artificially aged.
PrecautionsTypical data from the Aluminium Association (AA). Not for design
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost RangeLow
Lot ReproducibilityGood
Equivalent DesignationsA-U4SG, Al Cu4SiMg, AlCuSiMn, AlCu4SiMn, 3.1255, 26S , AA 2014
Space ExperienceGood
PHYSICAL PROPERTIES
Crystal StructureFace centered cubic (fcc)
Specific Gravity2.8
Magnetic PropertiesNonmagnetic
ELASTIC PROPERTIES
Tensile Modulus73 GPa
Data Quality: typical data
Shear Modulus27.4 GPa
Speed of Sound (longitudinal)6350 m/s
Speed of Sound (transverse)2488 m/s
Acoustic Impedance17.8 MRayl
ELECTRICAL PROPERTIES
Electrical Volume Resistivity4.3e-8 ohm.m
Electrical Conductivity40 %IACS
THERMAL PROPERTIES
Melting Range505 to 640 °C
Specific Heat0.869 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
General Corrosion StatusRequires specific corrosion protection
Stress Corrosion StatusLow Resistance to SCC: Table 3
Data Quality: Design data
EMF vs SCE-0.61 V
Bimetallic CorrosionCan be used in a non-controlled environment with: Al+alloys, Cd, Sn-Pb alloys, Sn, Pb
Can be used in a clean room environment with: as above and Mg, Ni, Monel, Inconel, Ni-Mo alloys, 300 series SS, 400 series SS, Ti and Ti alloys, Zn, Be
Needs specific measures: All others
Data Quality: Design Data
MachinabilityMachinability is good in the annealed condition, somewhat more difficult in the heat treated conditions.
WeldingWelding should be done by inert gas consumable electrode arc method for best results. The alloy is subject to cracking during welding