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R30605 Cobalt vs. C99600 Bronze

R30605 cobalt belongs to the cobalt alloys classification, while C99600 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is C99600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
150
Elongation at Break, % 34
27 to 34
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
56
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
560
Tensile Strength: Yield (Proof), MPa 470 to 1600
250 to 300

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Melting Completion (Liquidus), °C 1410
1100
Melting Onset (Solidus), °C 1330
1050
Specific Heat Capacity, J/kg-K 410
440
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.1
Embodied Carbon, kg CO2/kg material 9.8
3.2
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 450
300

Common Calculations

Stiffness to Weight: Axial, points 12
10
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 33 to 55
19
Strength to Weight: Bending, points 25 to 36
19
Thermal Shock Resistance, points 31 to 52
14

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.8
Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0 to 0.2
Copper (Cu), % 0
50.8 to 60
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 1.0 to 2.0
39 to 45
Nickel (Ni), % 9.0 to 11
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.3