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6023 Aluminum vs. 5070 Aluminum

Both 6023 aluminum and 5070 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 6023 aluminum and the bottom bar is 5070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 11
20
Fatigue Strength, MPa 120 to 130
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210 to 220
190
Tensile Strength: Ultimate (UTS), MPa 360
300
Tensile Strength: Yield (Proof), MPa 300 to 310
140

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
31
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
51
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 35 to 36
31
Strength to Weight: Bending, points 40
37
Thermal Diffusivity, mm2/s 67
53
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 94 to 97.7
92.4 to 95.7
Bismuth (Bi), % 0.3 to 0.8
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.2 to 0.5
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.4
Magnesium (Mg), % 0.4 to 0.9
3.5 to 4.5
Manganese (Mn), % 0.2 to 0.6
0.4 to 0.8
Silicon (Si), % 0.6 to 1.4
0 to 0.25
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0.4 to 0.8
Residuals, % 0
0 to 0.15