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C97800 Nickel Silver vs. R30006 Cobalt

C97800 nickel silver belongs to the copper alloys classification, while R30006 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 C97800 nickel silver and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
220
Elongation at Break, % 10
1.0
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 48
85
Tensile Strength: Ultimate (UTS), MPa 370
900
Tensile Strength: Yield (Proof), MPa 170
540

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Melting Completion (Liquidus), °C 1180
1400
Melting Onset (Solidus), °C 1140
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 5.1
7.8
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 330
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 120
670
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 13
24
Thermal Diffusivity, mm2/s 7.3
3.9
Thermal Shock Resistance, points 13
26

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 64 to 67
0
Iron (Fe), % 0 to 1.5
0 to 3.0
Lead (Pb), % 1.0 to 2.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 24 to 27
0 to 3.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0 to 2.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 5.5
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 1.0 to 4.0
0
Residuals, % 0 to 0.4
0