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R30006 Cobalt vs. C50100 Bronze

R30006 cobalt belongs to the cobalt alloys classification, while C50100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is C50100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
40
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 900
270
Tensile Strength: Yield (Proof), MPa 540
82

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1290
1070
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
55
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
55

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 500
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
82
Resilience: Unit (Modulus of Resilience), kJ/m3 670
29
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 29
8.3
Strength to Weight: Bending, points 24
10
Thermal Diffusivity, mm2/s 3.9
66
Thermal Shock Resistance, points 26
9.5

Alloy Composition


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Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
98.6 to 99.49
Iron (Fe), % 0 to 3.0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0.010 to 0.050
Silicon (Si), % 0 to 2.0
0
Tin (Sn), % 0
0.5 to 0.8
Tungsten (W), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.5