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EN AC-51300 Aluminum vs. 7020 Aluminum

Both EN AC-51300 aluminum and 7020 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-51300 aluminum and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
45 to 100
Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 3.7
8.4 to 14
Fatigue Strength, MPa 78
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 190
190 to 390
Tensile Strength: Yield (Proof), MPa 110
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 600
610
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
39
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 9.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 87
110 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 20
18 to 37
Strength to Weight: Bending, points 28
25 to 41
Thermal Diffusivity, mm2/s 45
59
Thermal Shock Resistance, points 8.6
8.3 to 17

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
91.2 to 94.8
Chromium (Cr), % 0
0.1 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.55
0 to 0.4
Magnesium (Mg), % 4.5 to 6.5
1.0 to 1.4
Manganese (Mn), % 0 to 0.45
0.050 to 0.5
Silicon (Si), % 0 to 0.55
0 to 0.35
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 0 to 0.1
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0 to 0.15
0 to 0.15