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R30006 Cobalt vs. C95410 Bronze

R30006 cobalt belongs to the cobalt alloys classification, while C95410 bronze belongs to the copper alloys. There are 26 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 R30006 cobalt and the bottom bar is C95410 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
9.1 to 13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 900
620 to 740
Tensile Strength: Yield (Proof), MPa 540
260 to 380

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Melting Completion (Liquidus), °C 1400
1040
Melting Onset (Solidus), °C 1290
1030
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 15
59
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
13
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
14

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 7.8
3.3
Embodied Energy, MJ/kg 110
54
Embodied Water, L/kg 500
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
57 to 64
Resilience: Unit (Modulus of Resilience), kJ/m3 670
280 to 630
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 29
21 to 25
Strength to Weight: Bending, points 24
20 to 22
Thermal Diffusivity, mm2/s 3.9
16
Thermal Shock Resistance, points 26
22 to 26

Alloy Composition


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Aluminum (Al), % 0
10 to 11.5
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
83 to 85.5
Iron (Fe), % 0 to 3.0
3.0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
1.5 to 2.5
Silicon (Si), % 0 to 2.0
0
Tungsten (W), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.5