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EN AC-51100 Aluminum vs. 7475 Aluminum

Both EN AC-51100 aluminum and 7475 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 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 EN AC-51100 aluminum and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 4.5
10 to 12
Fatigue Strength, MPa 58
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
530 to 590
Tensile Strength: Yield (Proof), MPa 80
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 620
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
140 to 160
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.7
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 47
1390 to 1920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 17
49 to 55
Strength to Weight: Bending, points 25
48 to 52
Thermal Diffusivity, mm2/s 53
53 to 63
Thermal Shock Resistance, points 7.3
23 to 26

Alloy Composition

Aluminum (Al), % 94.5 to 97.5
88.6 to 91.6
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0 to 0.050
1.2 to 1.9
Iron (Fe), % 0 to 0.55
0 to 0.12
Magnesium (Mg), % 2.5 to 3.5
1.9 to 2.6
Manganese (Mn), % 0 to 0.45
0 to 0.060
Silicon (Si), % 0 to 0.55
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.060
Zinc (Zn), % 0 to 0.1
5.1 to 6.2
Residuals, % 0
0 to 0.15