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R30006 Cobalt vs. C92300 Bronze

R30006 cobalt belongs to the cobalt alloys classification, while C92300 bronze 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 C92300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 1.0
19
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 900
300
Tensile Strength: Yield (Proof), MPa 540
140

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1290
850
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 15
75
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
12
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
12

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 7.8
3.4
Embodied Energy, MJ/kg 110
56
Embodied Water, L/kg 500
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
47
Resilience: Unit (Modulus of Resilience), kJ/m3 670
86
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 29
9.5
Strength to Weight: Bending, points 24
11
Thermal Diffusivity, mm2/s 3.9
23
Thermal Shock Resistance, points 26
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
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
85 to 89
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 2.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Tungsten (W), % 4.0 to 6.0
0
Zinc (Zn), % 0
2.5 to 5.0
Residuals, % 0
0 to 0.7