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C97800 Nickel Silver vs. G-CoCr28 Cobalt

C97800 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 (3, in this case) are not shown.

For each property being compared, the top bar is C97800 nickel silver and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
210
Elongation at Break, % 10
6.7
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 48
83
Tensile Strength: Ultimate (UTS), MPa 370
560
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Maximum Temperature: Mechanical, °C 230
1200
Melting Completion (Liquidus), °C 1180
1330
Melting Onset (Solidus), °C 1140
1270
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 25
8.5
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 40
100
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 5.1
6.2
Embodied Energy, MJ/kg 76
84
Embodied Water, L/kg 330
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 120
160
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
19
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 7.3
2.2
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 64 to 67
0
Iron (Fe), % 0 to 1.5
9.7 to 24.5
Lead (Pb), % 1.0 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 24 to 27
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.15
0.5 to 1.5
Sulfur (S), % 0 to 0.080
0 to 0.030
Tin (Sn), % 4.0 to 5.5
0
Zinc (Zn), % 1.0 to 4.0
0
Residuals, % 0 to 0.4
0