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7020 Aluminum vs. Grade M35-1 Nickel

7020 aluminum belongs to the aluminum alloys classification, while grade M35-1 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
160
Elongation at Break, % 8.4 to 14
28
Fatigue Strength, MPa 110 to 130
130
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
62
Tensile Strength: Ultimate (UTS), MPa 190 to 390
500
Tensile Strength: Yield (Proof), MPa 120 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 380
280
Maximum Temperature: Mechanical, °C 210
900
Melting Completion (Liquidus), °C 650
1280
Melting Onset (Solidus), °C 610
1240
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 150
22
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.9
8.8
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
120
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 47
21
Strength to Weight: Axial, points 18 to 37
16
Strength to Weight: Bending, points 25 to 41
16
Thermal Diffusivity, mm2/s 59
5.7
Thermal Shock Resistance, points 8.3 to 17
17

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0
Carbon (C), % 0
0 to 0.35
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
26 to 33
Iron (Fe), % 0 to 0.4
0 to 3.5
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0 to 1.5
Nickel (Ni), % 0
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 1.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0 to 0.15
0