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851.0 Aluminum vs. 7076 Aluminum

Both 851.0 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 851.0 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 3.9 to 9.1
6.2
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 130 to 140
530

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
630
Melting Onset (Solidus), °C 360
460
Specific Heat Capacity, J/kg-K 850
860
Thermal Conductivity, W/m-K 180
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1140
1110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 12 to 13
49
Strength to Weight: Bending, points 19 to 20
48
Thermal Diffusivity, mm2/s 69
54
Thermal Shock Resistance, points 6.1 to 6.3
23

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
86.9 to 91.2
Copper (Cu), % 0.7 to 1.3
0.3 to 1.0
Iron (Fe), % 0 to 0.7
0 to 0.6
Magnesium (Mg), % 0 to 0.1
1.2 to 2.0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0.3 to 0.7
0
Silicon (Si), % 2.0 to 3.0
0 to 0.4
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0
7.0 to 8.0
Residuals, % 0
0 to 0.15