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7076 Aluminum vs. 6463 Aluminum

Both 7076 aluminum and 6463 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is 7076 aluminum and the bottom bar is 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
42 to 74
Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 6.2
9.0 to 17
Fatigue Strength, MPa 170
45 to 76
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 310
86 to 150
Tensile Strength: Ultimate (UTS), MPa 530
140 to 230
Tensile Strength: Yield (Proof), MPa 460
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 630
660
Melting Onset (Solidus), °C 460
620
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
190 to 210
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 100
170 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
50 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 49
14 to 24
Strength to Weight: Bending, points 48
22 to 31
Thermal Diffusivity, mm2/s 54
79 to 86
Thermal Shock Resistance, points 23
6.3 to 10

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
97.9 to 99.4
Copper (Cu), % 0.3 to 1.0
0 to 0.2
Iron (Fe), % 0 to 0.6
0 to 0.15
Magnesium (Mg), % 1.2 to 2.0
0.45 to 0.9
Manganese (Mn), % 0.3 to 0.8
0 to 0.050
Silicon (Si), % 0 to 0.4
0.2 to 0.6
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
0 to 0.050
Residuals, % 0
0 to 0.15