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1200 Aluminum vs. 1085 Aluminum

Both 1200 aluminum and 1085 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 1200 aluminum and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 1.1 to 28
4.5 to 39
Fatigue Strength, MPa 25 to 69
22 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 54 to 100
48 to 79
Tensile Strength: Ultimate (UTS), MPa 85 to 180
73 to 140
Tensile Strength: Yield (Proof), MPa 28 to 160
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 650
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
61
Electrical Conductivity: Equal Weight (Specific), % IACS 190
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0 to 19
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 180
2.1 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 8.7 to 19
7.5 to 14
Strength to Weight: Bending, points 16 to 26
14 to 22
Thermal Diffusivity, mm2/s 92
94
Thermal Shock Resistance, points 3.8 to 8.1
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 99 to 100
99.85 to 100
Copper (Cu), % 0 to 0.050
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.12
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 0.050
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.1
Titanium (Ti), % 0 to 0.050
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0 to 0.030
Residuals, % 0
0 to 0.010

Comparable Variants