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6105 Aluminum vs. 7076 Aluminum

Both 6105 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 90% 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 6105 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 9.0 to 16
6.2
Fatigue Strength, MPa 95 to 130
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 120 to 170
310
Tensile Strength: Ultimate (UTS), MPa 190 to 280
530
Tensile Strength: Yield (Proof), MPa 120 to 270
460

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 600
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 180 to 190
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
35
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
31
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 20 to 29
49
Strength to Weight: Bending, points 28 to 35
48
Thermal Diffusivity, mm2/s 72 to 79
54
Thermal Shock Resistance, points 8.6 to 12
23

Alloy Composition

Aluminum (Al), % 97.2 to 99
86.9 to 91.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0.3 to 1.0
Iron (Fe), % 0 to 0.35
0 to 0.6
Magnesium (Mg), % 0.45 to 0.8
1.2 to 2.0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Silicon (Si), % 0.6 to 1.0
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.1
7.0 to 8.0
Residuals, % 0
0 to 0.15