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EN AC-71100 Aluminum vs. 1085 Aluminum

Both EN AC-71100 aluminum and 1085 aluminum are aluminum alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-71100 aluminum and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
68
Elongation at Break, % 1.1
4.5 to 39
Fatigue Strength, MPa 150
22 to 49
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 260
73 to 140
Tensile Strength: Yield (Proof), MPa 230
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 490
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 860
900
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
61
Electrical Conductivity: Equal Weight (Specific), % IACS 97
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 7.4
8.3
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1010
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 360
2.1 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 25
7.5 to 14
Strength to Weight: Bending, points 31
14 to 22
Thermal Shock Resistance, points 12
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
99.85 to 100
Copper (Cu), % 0 to 0.1
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.3
0 to 0.12
Magnesium (Mg), % 0.2 to 0.5
0 to 0.020
Manganese (Mn), % 0 to 0.15
0 to 0.020
Silicon (Si), % 7.5 to 9.5
0 to 0.1
Titanium (Ti), % 0 to 0.15
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 9.0 to 10.5
0 to 0.030
Residuals, % 0
0 to 0.010