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850.0 Aluminum vs. 7475 Aluminum

Both 850.0 aluminum and 7475 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 (2, in this case) are not shown.

For each property being compared, the top bar is 850.0 aluminum and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 7.9
10 to 12
Fatigue Strength, MPa 59
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 100
320 to 350
Tensile Strength: Ultimate (UTS), MPa 140
530 to 590
Tensile Strength: Yield (Proof), MPa 76
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 370
480
Specific Heat Capacity, J/kg-K 850
870
Thermal Conductivity, W/m-K 180
140 to 160
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 42
1390 to 1920
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
46
Strength to Weight: Axial, points 12
49 to 55
Strength to Weight: Bending, points 19
48 to 52
Thermal Diffusivity, mm2/s 69
53 to 63
Thermal Shock Resistance, points 6.1
23 to 26

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
88.6 to 91.6
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0.7 to 1.3
1.2 to 1.9
Iron (Fe), % 0 to 0.7
0 to 0.12
Magnesium (Mg), % 0 to 0.1
1.9 to 2.6
Manganese (Mn), % 0 to 0.1
0 to 0.060
Nickel (Ni), % 0.7 to 1.3
0
Silicon (Si), % 0 to 0.7
0 to 0.1
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.060
Zinc (Zn), % 0
5.1 to 6.2
Residuals, % 0
0 to 0.15