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7003 Aluminum vs. 6023 Aluminum

Both 7003 aluminum and 6023 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 7003 aluminum and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 11
11
Fatigue Strength, MPa 130 to 150
120 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210 to 230
210 to 220
Tensile Strength: Ultimate (UTS), MPa 350 to 390
360
Tensile Strength: Yield (Proof), MPa 300 to 310
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
580
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
45
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
38 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
670 to 690
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
49
Strength to Weight: Axial, points 33 to 37
35 to 36
Strength to Weight: Bending, points 37 to 40
40
Thermal Diffusivity, mm2/s 59
67
Thermal Shock Resistance, points 15 to 17
16

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
94 to 97.7
Bismuth (Bi), % 0
0.3 to 0.8
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
0.2 to 0.5
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 0.5 to 1.0
0.4 to 0.9
Manganese (Mn), % 0 to 0.3
0.2 to 0.6
Silicon (Si), % 0 to 0.3
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 5.0 to 6.5
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants