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C74500 Nickel Silver vs. EN 2.4964 Cobalt

C74500 nickel silver belongs to the copper alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 3.0 to 24
40
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 44
86
Tensile Strength: Ultimate (UTS), MPa 390 to 700
960
Tensile Strength: Yield (Proof), MPa 380 to 600
390

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Melting Completion (Liquidus), °C 1020
1630
Melting Onset (Solidus), °C 970
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.6
Embodied Carbon, kg CO2/kg material 3.4
9.8
Embodied Energy, MJ/kg 54
140
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
310
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
340
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 13 to 23
28
Strength to Weight: Bending, points 14 to 21
23
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 13 to 23
25

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 63.5 to 66.5
0
Iron (Fe), % 0 to 0.25
0 to 3.0
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 9.0 to 11
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 21.2 to 27.5
0
Residuals, % 0 to 0.5
0