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C94500 Bronze vs. R30016 Cobalt

C94500 bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 26 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 C94500 bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
220
Elongation at Break, % 12
8.4
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 34
85
Tensile Strength: Ultimate (UTS), MPa 170
1010
Tensile Strength: Yield (Proof), MPa 83
580

Thermal Properties

Latent Heat of Fusion, J/g 160
320
Melting Completion (Liquidus), °C 940
1360
Melting Onset (Solidus), °C 800
1270
Specific Heat Capacity, J/kg-K 330
450
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.0

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.5
Embodied Carbon, kg CO2/kg material 3.2
7.7
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 380
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
72
Resilience: Unit (Modulus of Resilience), kJ/m3 37
770
Stiffness to Weight: Axial, points 5.5
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 5.2
33
Strength to Weight: Bending, points 7.4
26
Thermal Diffusivity, mm2/s 17
3.9
Thermal Shock Resistance, points 6.7
24

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 66.7 to 78
0
Iron (Fe), % 0 to 0.15
0 to 3.0
Lead (Pb), % 16 to 22
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0.2 to 2.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 6.0 to 8.0
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 1.2
0