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C86500 Bronze vs. R30816 Cobalt

C86500 bronze belongs to the copper alloys classification, while R30816 cobalt belongs to the cobalt alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C86500 bronze and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
23
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 530
1020
Tensile Strength: Yield (Proof), MPa 190
460

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Melting Completion (Liquidus), °C 880
1540
Melting Onset (Solidus), °C 860
1460
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 86
13
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 2.8
20
Embodied Energy, MJ/kg 48
320
Embodied Water, L/kg 330
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
510
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 20
22
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 28
3.3
Thermal Shock Resistance, points 17
28

Alloy Composition

Aluminum (Al), % 0.5 to 1.5
0
Carbon (C), % 0
0.32 to 0.42
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
40 to 49.8
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0.4 to 2.0
0 to 5.0
Lead (Pb), % 0 to 0.4
0
Manganese (Mn), % 0.1 to 1.5
1.0 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 1.0
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tin (Sn), % 0 to 1.0
0
Tungsten (W), % 0
3.5 to 4.5
Zinc (Zn), % 36 to 42
0
Residuals, % 0 to 1.0
0