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EN 2.4964 Cobalt vs. C73500 Nickel Silver

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C73500 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
47
Tensile Strength: Ultimate (UTS), MPa 960
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1140
Melting Onset (Solidus), °C 1550
1090
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
6.7

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 9.8
4.0
Embodied Energy, MJ/kg 140
61
Embodied Water, L/kg 450
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
12 to 19
Strength to Weight: Bending, points 23
13 to 18
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 25
13 to 19

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
70.5 to 73.5
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 9.0 to 11
16.5 to 19.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
5.7 to 13
Residuals, % 0
0 to 0.5