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6182 Aluminum vs. 1085 Aluminum

Both 6182 aluminum and 1085 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is 6182 aluminum and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 6.8 to 13
4.5 to 39
Fatigue Strength, MPa 63 to 99
22 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 190
48 to 79
Tensile Strength: Ultimate (UTS), MPa 230 to 320
73 to 140
Tensile Strength: Yield (Proof), MPa 130 to 270
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
61
Electrical Conductivity: Equal Weight (Specific), % IACS 130
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
2.1 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 23 to 32
7.5 to 14
Strength to Weight: Bending, points 30 to 38
14 to 22
Thermal Diffusivity, mm2/s 65
94
Thermal Shock Resistance, points 10 to 14
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 95 to 97.9
99.85 to 100
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.12
Magnesium (Mg), % 0.7 to 1.2
0 to 0.020
Manganese (Mn), % 0.5 to 1.0
0 to 0.020
Silicon (Si), % 0.9 to 1.3
0 to 0.1
Titanium (Ti), % 0 to 0.1
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.2
0 to 0.030
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.010