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R30605 Cobalt vs. C92800 Bronze

R30605 cobalt belongs to the cobalt alloys classification, while C92800 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is C92800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 34
1.0
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 81
37
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
280
Tensile Strength: Yield (Proof), MPa 470 to 1600
210

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1410
960
Melting Onset (Solidus), °C 1330
820
Specific Heat Capacity, J/kg-K 410
350
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 9.8
4.1
Embodied Energy, MJ/kg 140
67
Embodied Water, L/kg 450
430

Common Calculations

Stiffness to Weight: Axial, points 12
6.4
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 33 to 55
8.8
Strength to Weight: Bending, points 25 to 36
11
Thermal Shock Resistance, points 31 to 52
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
78 to 82
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 1.0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 1.5
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
15 to 17
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.7