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6463 Aluminum vs. 7129 Aluminum

Both 6463 aluminum and 7129 Aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6463 aluminum and the bottom bar is 7129 Aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 9.0 to 17
9.0 to 9.1
Fatigue Strength, MPa 45 to 76
150 to 190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 86 to 150
250 to 260
Tensile Strength: Ultimate (UTS), MPa 140 to 230
430
Tensile Strength: Yield (Proof), MPa 82 to 200
380 to 390

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 660
630
Melting Onset (Solidus), °C 620
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 190 to 210
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 55
40
Electrical Conductivity: Equal Weight (Specific), % IACS 170 to 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
37 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 300
1050 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 14 to 24
41
Strength to Weight: Bending, points 22 to 31
43 to 44
Thermal Diffusivity, mm2/s 79 to 86
58
Thermal Shock Resistance, points 6.3 to 10
19

Alloy Composition

Aluminum (Al), % 97.9 to 99.4
91 to 94
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.2
0.5 to 0.9
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.3
Magnesium (Mg), % 0.45 to 0.9
1.3 to 2.0
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0.2 to 0.6
0 to 0.15
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.050
4.2 to 5.2
Residuals, % 0
0 to 0.15

Comparable Variants