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C75700 Nickel Silver vs. EN 2.4964 Cobalt

C75700 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 (4, in this case) are not shown.

For each property being compared, the top bar is C75700 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, % 3.2 to 22
40
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 45
86
Tensile Strength: Ultimate (UTS), MPa 590 to 610
960
Tensile Strength: Yield (Proof), MPa 470 to 580
390

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Melting Completion (Liquidus), °C 1040
1630
Melting Onset (Solidus), °C 990
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.6
Embodied Carbon, kg CO2/kg material 3.6
9.8
Embodied Energy, MJ/kg 56
140
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
310
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
340
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 19 to 20
28
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 22 to 23
25

Alloy Composition


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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 0.050
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 11 to 13
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), % 19.2 to 25.5
0
Residuals, % 0 to 0.5
0