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C79600 Nickel Silver vs. R30035 Cobalt

C79600 nickel silver belongs to the copper alloys classification, while R30035 cobalt belongs to the cobalt alloys. There are 27 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 R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220 to 230
Elongation at Break, % 15
9.0 to 46
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 43
84 to 89
Tensile Strength: Ultimate (UTS), MPa 480
900 to 1900
Tensile Strength: Yield (Proof), MPa 300
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 930
1440
Melting Onset (Solidus), °C 880
1320
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 36
11
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
100
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 3.5
10
Embodied Energy, MJ/kg 57
140
Embodied Water, L/kg 310
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 400
210 to 5920
Stiffness to Weight: Axial, points 7.8
14 to 15
Stiffness to Weight: Bending, points 20
23 to 24
Strength to Weight: Axial, points 17
29 to 61
Strength to Weight: Bending, points 17
24 to 39
Thermal Diffusivity, mm2/s 12
3.0
Thermal Shock Resistance, points 15
23 to 46

Alloy Composition

Boron (B), % 0
0 to 0.015
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
29.1 to 39
Copper (Cu), % 43.5 to 46.5
0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0.8 to 1.2
0
Manganese (Mn), % 1.5 to 2.5
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 9.0 to 11
33 to 37
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 38.3 to 45.2
0
Residuals, % 0 to 0.5
0