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7129 Aluminum vs. 6023 Aluminum

Both 7129 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 7129 Aluminum and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 9.0 to 9.1
11
Fatigue Strength, MPa 150 to 190
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 250 to 260
210 to 220
Tensile Strength: Ultimate (UTS), MPa 430
360
Tensile Strength: Yield (Proof), MPa 380 to 390
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
580
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 38
38 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1090
670 to 690
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
49
Strength to Weight: Axial, points 41
35 to 36
Strength to Weight: Bending, points 43 to 44
40
Thermal Diffusivity, mm2/s 58
67
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 91 to 94
94 to 97.7
Bismuth (Bi), % 0
0.3 to 0.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 0.9
0.2 to 0.5
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 1.3 to 2.0
0.4 to 0.9
Manganese (Mn), % 0 to 0.1
0.2 to 0.6
Silicon (Si), % 0 to 0.15
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
0
Residuals, % 0
0 to 0.15

Comparable Variants