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R30006 Cobalt vs. C97800 Nickel Silver

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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