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B443.0 Aluminum vs. 1085 Aluminum

Both B443.0 aluminum and 1085 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is B443.0 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, % 4.9
4.5 to 39
Fatigue Strength, MPa 55
22 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110
48 to 79
Tensile Strength: Ultimate (UTS), MPa 150
73 to 140
Tensile Strength: Yield (Proof), MPa 50
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 600
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
230
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
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 8.0
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 18
2.1 to 110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
50
Strength to Weight: Axial, points 15
7.5 to 14
Strength to Weight: Bending, points 23
14 to 22
Thermal Diffusivity, mm2/s 61
94
Thermal Shock Resistance, points 6.8
3.3 to 6.1

Alloy Composition


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Aluminum (Al), % 91.9 to 95.5
99.85 to 100
Copper (Cu), % 0 to 0.15
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.8
0 to 0.12
Magnesium (Mg), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.35
0 to 0.020
Silicon (Si), % 4.5 to 6.0
0 to 0.1
Titanium (Ti), % 0 to 0.25
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.35
0 to 0.030
Residuals, % 0 to 0.15
0 to 0.010