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C52100 Bronze vs. R30016 Cobalt

C52100 bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C52100 bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
85
Tensile Strength: Ultimate (UTS), MPa 380 to 800
1010

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Melting Completion (Liquidus), °C 1030
1360
Melting Onset (Solidus), °C 880
1270
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 62
15
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 13
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.5
Embodied Carbon, kg CO2/kg material 3.4
7.7
Embodied Energy, MJ/kg 55
110
Embodied Water, L/kg 370
500

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 12 to 25
33
Strength to Weight: Bending, points 13 to 22
26
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 14 to 28
24

Alloy Composition

Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 89.8 to 93
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0.030 to 0.35
0
Silicon (Si), % 0
0.2 to 2.0
Tin (Sn), % 7.0 to 9.0
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0