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1070A Aluminum vs. C443.0 Aluminum

Both 1070A aluminum and C443.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 1070A aluminum and the bottom bar is C443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
65
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 2.3 to 33
9.0
Fatigue Strength, MPa 17 to 51
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 44 to 81
130
Tensile Strength: Ultimate (UTS), MPa 68 to 140
230
Tensile Strength: Yield (Proof), MPa 17 to 120
100

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 640
600
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
140
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
37
Electrical Conductivity: Equal Weight (Specific), % IACS 200
120

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
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
17
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
70
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 7.0 to 14
24
Strength to Weight: Bending, points 14 to 22
31
Thermal Diffusivity, mm2/s 94
58
Thermal Shock Resistance, points 3.1 to 6.3
10

Alloy Composition


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Aluminum (Al), % 99.7 to 100
89.6 to 95.5
Copper (Cu), % 0 to 0.030
0 to 0.6
Iron (Fe), % 0 to 0.25
0 to 2.0
Magnesium (Mg), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0 to 0.030
0 to 0.35
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0 to 0.2
4.5 to 6.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.070
0 to 0.5
Residuals, % 0
0 to 0.25