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CR012A Copper vs. 50Cr-50Ni-Cb Alloy

CR012A copper belongs to the copper alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
5.6
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 43
84
Tensile Strength: Ultimate (UTS), MPa 220
620
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 33
60
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
9.2
Embodied Energy, MJ/kg 42
130
Embodied Water, L/kg 360
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
30
Resilience: Unit (Modulus of Resilience), kJ/m3 76
370
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Shock Resistance, points 7.8
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
47 to 52
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
0 to 1.0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0
0 to 0.16
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5