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7075 Aluminum vs. 850.0 Aluminum

Both 7075 aluminum and 850.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 1.8 to 12
7.9
Fatigue Strength, MPa 110 to 190
59
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 150 to 340
100
Tensile Strength: Ultimate (UTS), MPa 240 to 590
140
Tensile Strength: Yield (Proof), MPa 120 to 510
76

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 480
370
Specific Heat Capacity, J/kg-K 870
850
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
47
Electrical Conductivity: Equal Weight (Specific), % IACS 98
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
42
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 46
44
Strength to Weight: Axial, points 22 to 54
12
Strength to Weight: Bending, points 28 to 52
19
Thermal Diffusivity, mm2/s 50
69
Thermal Shock Resistance, points 10 to 25
6.1

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
88.3 to 93.1
Chromium (Cr), % 0.18 to 0.28
0
Copper (Cu), % 1.2 to 2.0
0.7 to 1.3
Iron (Fe), % 0 to 0.5
0 to 0.7
Magnesium (Mg), % 2.1 to 2.9
0 to 0.1
Manganese (Mn), % 0 to 0.3
0 to 0.1
Nickel (Ni), % 0
0.7 to 1.3
Silicon (Si), % 0 to 0.4
0 to 0.7
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 5.1 to 6.1
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.3