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6023 Aluminum vs. 1070 Aluminum

Both 6023 aluminum and 1070 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 1070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 11
4.5 to 39
Fatigue Strength, MPa 120 to 130
22 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210 to 220
48 to 79
Tensile Strength: Ultimate (UTS), MPa 360
73 to 140
Tensile Strength: Yield (Proof), MPa 300 to 310
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 580
640
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 170
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
61
Electrical Conductivity: Equal Weight (Specific), % IACS 140
200

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
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
2.1 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 35 to 36
7.5 to 14
Strength to Weight: Bending, points 40
14 to 22
Thermal Diffusivity, mm2/s 67
94
Thermal Shock Resistance, points 16
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 94 to 97.7
99.7 to 100
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
0 to 0.040
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 0.4 to 0.9
0 to 0.030
Manganese (Mn), % 0.2 to 0.6
0 to 0.030
Silicon (Si), % 0.6 to 1.4
0 to 0.2
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.040
Residuals, % 0
0 to 0.030