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EN 2.4964 Cobalt vs. C77600 Nickel Silver

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C77600 nickel silver belongs to the copper alloys. There are 24 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 EN 2.4964 cobalt and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 40
30
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 960
630
Tensile Strength: Yield (Proof), MPa 390
320

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Melting Completion (Liquidus), °C 1630
830
Melting Onset (Solidus), °C 1550
790
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
31

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.9
Embodied Carbon, kg CO2/kg material 9.8
3.7
Embodied Energy, MJ/kg 140
60
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
160
Resilience: Unit (Modulus of Resilience), kJ/m3 340
470
Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 21
20
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 25
20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
42 to 45
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.25
Nickel (Ni), % 9.0 to 11
12 to 14
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
39.7 to 46
Residuals, % 0
0 to 0.5