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C79600 Nickel Silver vs. G-CoCr28 Cobalt

C79600 nickel silver 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 (5, in this case) are not shown.

For each property being compared, the top bar is C79600 nickel silver and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 15
6.7
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 480
560
Tensile Strength: Yield (Proof), MPa 300
260

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Maximum Temperature: Mechanical, °C 130
1200
Melting Completion (Liquidus), °C 930
1330
Melting Onset (Solidus), °C 880
1270
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 36
8.5
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
100
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.5
6.2
Embodied Energy, MJ/kg 57
84
Embodied Water, L/kg 310
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
31
Resilience: Unit (Modulus of Resilience), kJ/m3 400
160
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 12
2.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 43.5 to 46.5
0
Iron (Fe), % 0
9.7 to 24.5
Lead (Pb), % 0.8 to 1.2
0
Manganese (Mn), % 1.5 to 2.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 11
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 38.3 to 45.2
0
Residuals, % 0 to 0.5
0