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R30012 Cobalt vs. C92600 Bronze

R30012 cobalt belongs to the cobalt alloys classification, while C92600 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30012 cobalt and the bottom bar is C92600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 1.0
30
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 86
40
Tensile Strength: Ultimate (UTS), MPa 830
300
Tensile Strength: Yield (Proof), MPa 650
140

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1470
980
Melting Onset (Solidus), °C 1280
840
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 15
67
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 120
58
Embodied Water, L/kg 480
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.7
74
Resilience: Unit (Modulus of Resilience), kJ/m3 960
88
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26
9.6
Strength to Weight: Bending, points 22
11
Thermal Diffusivity, mm2/s 3.8
21
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 1.4 to 2.0
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 47.5 to 64.1
0
Copper (Cu), % 0
86 to 88.5
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
0.8 to 1.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.7
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.3 to 10.5
Tungsten (W), % 7.5 to 9.5
0
Zinc (Zn), % 0
1.3 to 2.5
Residuals, % 0
0 to 0.7