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7005 Aluminum vs. 60Cr-40Ni Alloy

7005 aluminum belongs to the aluminum alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 7005 aluminum and the bottom bar is 60Cr-40Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
87
Tensile Strength: Ultimate (UTS), MPa 200 to 400
870
Tensile Strength: Yield (Proof), MPa 95 to 350
660

Thermal Properties

Latent Heat of Fusion, J/g 380
370
Specific Heat Capacity, J/kg-K 880
490
Thermal Expansion, µm/m-K 23
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
49
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.3
7.4
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1150
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
1000
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 47
26
Strength to Weight: Axial, points 19 to 38
31
Strength to Weight: Bending, points 26 to 41
26
Thermal Shock Resistance, points 8.7 to 18
18

Alloy Composition

Aluminum (Al), % 91 to 94.7
0 to 0.25
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.060 to 0.2
58 to 62
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
0 to 1.0
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
0 to 0.3
Nickel (Ni), % 0
34.5 to 42
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0.010 to 0.060
0 to 0.5
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.15
0