BS EN 573-3 Grade 6061 T6
Description
Aluminium alloy 6061 is a medium to high strength heat-treatable alloy with a strength higher than 6005A. It has very good corrosion resistance and very good weldability although reduced strength in the weld zone. It has medium fatigue strength. It has good cold formability in the temper T4, but limited formability in T6 temper. Not suitable for very complex cross sections.
Related Standards
Equivalent Materials
Ashby charts
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Properties
General
Density
ρ2.7 g/cm³ at 20 °C
Dimension
Dimensions
Wanddicke
Mechanical
Elongation
AElongation in 50 mm
Thermal
Coefficient of thermal expansion
α2.36E-5 - 2.4E-5 1/K at 20 °C
derived value between 20°C and the mentioned temperature
Melting point
Tm580 - 650 °C
Specific heat capacity
cp900 J/(kg·K) at 20 °C
derived value for 23-100°C
Thermal conductivity
λ155 - 180 W/(m·K) at 20 °C
derived value
Electrical
Electrical conductivity
σel2.30E+7 - 2.49E+8 S/m at 20 °C
Typical/derived value
Electrical resistivity
ρel3.7E-8 - 4.35E-8 Ω·m at 20 °C
Typical value
Specific Electrical conductivity
43 % IACS
Typical value
Chemical properties
Element
Weight %
Comment
95.9 - 98.6 %
Balance
0.8 - 1.2 %
0.4 - 0.8 %
0.15 - 0.4 %
0.04 - 0.35 %
Technological properties
Application areas
Heavy duty structures (Rail coaches, Truck frames, Ship building, Bridges and Military bridges, Aerospace applications including helicopter rotor), Skins (Tube, Pylons and Towers, Transport, Boilermaking, Motorboats, Rivets).
Brazing
Good
Corrosion properties
Stress corrosion cracking: no damage during operation and laboratory tests (O, T6, T651, T652, T6510, T6511), no damage during operation, limited damage during laboratory tests (T4, T451, T4510, T4511), general: good, without protection in industrial or seawater atmosphere
General machinability
Acceptable
Soldering general
Good
Welding
Gas: Good; Arc: Very Good; Resistance: Good
Workability
Cold: Good
This material data has been provided by Righton Blackburns,MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity,WroughtAl_Thermal,AluKey.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.
Applications
Suggested reading
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