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CC381H Copper-nickel vs. 50Cr-50Ni-Cb Alloy

CC381H copper-nickel belongs to the copper alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 20
5.6
Poisson's Ratio 0.33
0.26
Shear Modulus, GPa 52
84
Tensile Strength: Ultimate (UTS), MPa 380
620
Tensile Strength: Yield (Proof), MPa 140
390

Thermal Properties

Latent Heat of Fusion, J/g 240
350
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 40
60
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
9.2
Embodied Energy, MJ/kg 73
130
Embodied Water, L/kg 280
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
30
Resilience: Unit (Modulus of Resilience), kJ/m3 68
370
Stiffness to Weight: Axial, points 8.6
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 13
20
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.25
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
47 to 52
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
0 to 1.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.3
Nickel (Ni), % 29 to 31
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.5
0