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60Cr-40Ni Alloy vs. 7108A Aluminum

60Cr-40Ni alloy belongs to the otherwise unclassified metals classification, while 7108A aluminum belongs to the aluminum alloys. There are 19 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 60Cr-40Ni alloy and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
69
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 87
26
Tensile Strength: Ultimate (UTS), MPa 870
350
Tensile Strength: Yield (Proof), MPa 660
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 370
380
Specific Heat Capacity, J/kg-K 490
870
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 49
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 7.4
8.3
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 380
1150

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1000
610 to 640
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 26
47
Strength to Weight: Axial, points 31
33 to 34
Strength to Weight: Bending, points 26
38
Thermal Shock Resistance, points 18
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.25
91.6 to 94.4
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 58 to 62
0 to 0.040
Copper (Cu), % 0
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 0
0.7 to 1.5
Manganese (Mn), % 0 to 0.3
0 to 0.050
Nickel (Ni), % 34.5 to 42
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.5
0 to 0.030
Zinc (Zn), % 0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15