6081 (6081-T6, AlSi0.9MgMn) Aluminum
Wrought Aluminum Alloys
Property Overview
Density2.7g/cm³
Elastic Modulus69GPa
Tensile Strength310MPa
Yield Strength270MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
CR
0 to 0.1%
MN
0.1 to 0.45%
SI
0.7 to 1.1%
CU
0 to 0.1%
TI
0 to 0.15%
AL
96.3 to 98.6%
MG
0.6 to 1.0%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
0 to 0.2%
FE
0 to 0.5%
Mechanical
Elastic (Young's, Tensile) Modulus
69 GPa
Elongation at Break
9.0 %
Fatigue Strength
110 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Shear Strength
180 MPa
Tensile Strength: Ultimate (UTS)
310 MPa
Tensile Strength: Yield (Proof)
270 MPa
Physical
Density
2.7 g/cm 3
Thermal
Latent Heat of Fusion
410 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
610 °C
Specific Heat Capacity
900 J/kg-K
Thermal Conductivity
180 W/m-K
Thermal Diffusivity
74 mm 2 /s
Thermal Expansion
23 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
47 % IACS
Electrical Conductivity: Equal Weight (Specific)
160 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
27 MJ/m 3
Resilience: Unit (Modulus of Resilience)
540 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
50 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
37 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
8.3 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 66 x 10 3 BTU/lb
Embodied Water
1180 L/kg
Embodied Water
1180 L/kg 140 gal/lb
Registered Designations & Aliases
6081 (6081-T6, AlSi0.9MgMn) Aluminum6081-T6A96081AlSi0.9MgMnEN AW-6081
Standards
EN 573-3 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products
EN 755-2 EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Mechanical properties