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7020 Aluminum vs. R60901 Alloy

7020 aluminum belongs to the aluminum alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7020 aluminum and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
98
Elongation at Break, % 8.4 to 14
17 to 22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 190 to 390
500 to 580
Tensile Strength: Yield (Proof), MPa 120 to 310
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Specific Heat Capacity, J/kg-K 880
270
Thermal Conductivity, W/m-K 150
17
Thermal Expansion, µm/m-K 23
6.3

Otherwise Unclassified Properties

Density, g/cm3 2.9
6.6
Embodied Water, L/kg 1150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
640 to 760
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 18 to 37
21 to 25
Strength to Weight: Bending, points 25 to 41
21 to 24
Thermal Diffusivity, mm2/s 59
9.7
Thermal Shock Resistance, points 8.3 to 17
58 to 67

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0
Niobium (Nb), % 0
2.4 to 2.8
Silicon (Si), % 0 to 0.35
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
96.8 to 97.5
Residuals, % 0
0 to 0.29

Comparable Variants