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5070 Aluminum vs. EN AC-21100 Aluminum

Both 5070 aluminum and EN AC-21100 aluminum are aluminum alloys. They have a moderately high 95% 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 5070 aluminum and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 20
6.2 to 7.3
Fatigue Strength, MPa 150
79 to 87
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 300
340 to 350
Tensile Strength: Yield (Proof), MPa 140
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
34
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 150
300 to 400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 31
31 to 33
Strength to Weight: Bending, points 37
36 to 37
Thermal Diffusivity, mm2/s 53
48
Thermal Shock Resistance, points 14
15

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
93.4 to 95.7
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
4.2 to 5.2
Iron (Fe), % 0 to 0.4
0 to 0.19
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0 to 0.55
Silicon (Si), % 0 to 0.25
0 to 0.18
Titanium (Ti), % 0 to 0.15
0.15 to 0.3
Zinc (Zn), % 0.4 to 0.8
0 to 0.070
Residuals, % 0 to 0.15
0 to 0.1