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C77600 Nickel Silver vs. R30006 Cobalt

C77600 nickel silver belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C77600 nickel silver and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 30
1.0
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 630
900
Tensile Strength: Yield (Proof), MPa 320
540

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 830
1400
Melting Onset (Solidus), °C 790
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 31
1.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 3.7
7.8
Embodied Energy, MJ/kg 60
110
Embodied Water, L/kg 310
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 470
670
Stiffness to Weight: Axial, points 7.9
14
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 42 to 45
0
Iron (Fe), % 0 to 0.2
0 to 3.0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.25
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 12 to 14
0 to 3.0
Silicon (Si), % 0
0 to 2.0
Tin (Sn), % 0 to 0.15
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 39.7 to 46
0
Residuals, % 0 to 0.5
0