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A242.0 Aluminum vs. 7076 Aluminum

Both A242.0 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is A242.0 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
160
Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 1.6
6.2
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 220
530

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 680
630
Melting Onset (Solidus), °C 550
460
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 20
49
Strength to Weight: Bending, points 26
48
Thermal Diffusivity, mm2/s 52
54
Thermal Shock Resistance, points 9.3
23

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
86.9 to 91.2
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
0.3 to 1.0
Iron (Fe), % 0 to 0.8
0 to 0.6
Magnesium (Mg), % 1.2 to 1.7
1.2 to 2.0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 1.8 to 2.3
0
Silicon (Si), % 0 to 0.6
0 to 0.4
Titanium (Ti), % 0.070 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
7.0 to 8.0
Residuals, % 0
0 to 0.15