MakeItFrom.com
Menu (ESC)

R30605 Cobalt vs. C86100 Bronze

R30605 cobalt belongs to the cobalt alloys classification, while C86100 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 34
20
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
43
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
660
Tensile Strength: Yield (Proof), MPa 470 to 1600
350

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Melting Completion (Liquidus), °C 1410
940
Melting Onset (Solidus), °C 1330
900
Specific Heat Capacity, J/kg-K 410
420
Thermal Conductivity, W/m-K 9.6
35
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.0

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.0
Embodied Carbon, kg CO2/kg material 9.8
2.9
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 450
350

Common Calculations

Stiffness to Weight: Axial, points 12
7.8
Stiffness to Weight: Bending, points 21
20
Strength to Weight: Axial, points 33 to 55
23
Strength to Weight: Bending, points 25 to 36
21
Thermal Diffusivity, mm2/s 2.5
10
Thermal Shock Resistance, points 31 to 52
21

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
66 to 68
Iron (Fe), % 0 to 3.0
2.0 to 4.0
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 1.0 to 2.0
2.5 to 5.0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
17.3 to 25