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C74400 Nickel Silver vs. EN 2.4964 Cobalt

C74400 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 C74400 nickel silver and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 43
40
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
86
Tensile Strength: Ultimate (UTS), MPa 350
960
Tensile Strength: Yield (Proof), MPa 120
390

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Melting Completion (Liquidus), °C 930
1630
Melting Onset (Solidus), °C 910
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.2
9.6
Embodied Carbon, kg CO2/kg material 2.9
9.8
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 320
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
310
Resilience: Unit (Modulus of Resilience), kJ/m3 63
340
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 12
28
Strength to Weight: Bending, points 14
23
Thermal Diffusivity, mm2/s 37
3.9
Thermal Shock Resistance, points 12
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), % 62 to 66
0
Iron (Fe), % 0 to 0.050
0 to 3.0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 2.0 to 4.0
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), % 29.6 to 36
0
Residuals, % 0 to 0.3
0