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C96200 Copper-nickel vs. G-CoCr28 Cobalt

C96200 copper-nickel belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C96200 copper-nickel and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 23
6.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
83
Tensile Strength: Ultimate (UTS), MPa 350
560
Tensile Strength: Yield (Proof), MPa 190
260

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 220
1200
Melting Completion (Liquidus), °C 1150
1330
Melting Onset (Solidus), °C 1100
1270
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 45
8.5
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 36
100
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.8
6.2
Embodied Energy, MJ/kg 58
84
Embodied Water, L/kg 300
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68
31
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11
19
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 13
2.2
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 83.6 to 90
0
Iron (Fe), % 1.0 to 1.8
9.7 to 24.5
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
0 to 4.0
Niobium (Nb), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0.5 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Residuals, % 0 to 0.5
0