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C79200 Nickel Silver vs. G-CoCr28 Cobalt

C79200 nickel silver belongs to the copper alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 22 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 C79200 nickel silver and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 44
83
Tensile Strength: Ultimate (UTS), MPa 480 to 540
560

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 170
1200
Melting Completion (Liquidus), °C 950
1330
Melting Onset (Solidus), °C 910
1270
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 42
8.5
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
100
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 3.6
6.2
Embodied Energy, MJ/kg 56
84
Embodied Water, L/kg 310
440

Common Calculations

Stiffness to Weight: Axial, points 7.7
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16 to 18
19
Strength to Weight: Bending, points 16 to 18
19
Thermal Diffusivity, mm2/s 13
2.2
Thermal Shock Resistance, points 16 to 18
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), % 59 to 66.5
0
Iron (Fe), % 0 to 0.25
9.7 to 24.5
Lead (Pb), % 0.8 to 1.4
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 11 to 13
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), % 17.9 to 29.2
0
Residuals, % 0 to 0.5
0