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C61400 Bronze vs. R30016 Cobalt

C61400 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 C61400 bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 34 to 40
8.4
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 540 to 570
1010
Tensile Strength: Yield (Proof), MPa 220 to 270
580

Thermal Properties

Latent Heat of Fusion, J/g 220
320
Melting Completion (Liquidus), °C 1050
1360
Melting Onset (Solidus), °C 1040
1270
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 67
15
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 3.0
7.7
Embodied Energy, MJ/kg 48
110
Embodied Water, L/kg 360
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 170
72
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 310
770
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 18 to 19
33
Strength to Weight: Bending, points 17 to 18
26
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 18 to 20
24

Alloy Composition

Aluminum (Al), % 6.0 to 8.0
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), % 86 to 92.5
0
Iron (Fe), % 1.5 to 3.5
0 to 3.0
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0
0.2 to 2.0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0