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C95600 Bronze vs. R30006 Cobalt

C95600 bronze belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C95600 bronze and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 15
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 42
85
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 230
540

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1000
1400
Melting Onset (Solidus), °C 980
1290
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.0
7.8
Embodied Energy, MJ/kg 50
110
Embodied Water, L/kg 360
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 230
670
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 18
26

Alloy Composition


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Aluminum (Al), % 6.0 to 8.0
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 88 to 92.2
0
Iron (Fe), % 0
0 to 3.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.25
0 to 3.0
Silicon (Si), % 1.8 to 3.2
0 to 2.0
Tungsten (W), % 0
4.0 to 6.0
Residuals, % 0 to 1.0
0