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1070 Aluminum vs. 5042 Aluminum

Both 1070 aluminum and 5042 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 1070 aluminum and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 4.5 to 39
1.1 to 3.4
Fatigue Strength, MPa 22 to 49
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
200
Tensile Strength: Ultimate (UTS), MPa 73 to 140
340 to 360
Tensile Strength: Yield (Proof), MPa 17 to 120
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
33
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
550 to 720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.5 to 14
35 to 37
Strength to Weight: Bending, points 14 to 22
40 to 42
Thermal Diffusivity, mm2/s 94
53
Thermal Shock Resistance, points 3.3 to 6.1
15 to 16

Alloy Composition

Aluminum (Al), % 99.7 to 100
94.2 to 96.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.040
0 to 0.15
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0 to 0.030
3.0 to 4.0
Manganese (Mn), % 0 to 0.030
0.2 to 0.5
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.030
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.25
Residuals, % 0 to 0.030
0 to 0.15

Comparable Variants