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CC480K Bronze vs. R30016 Cobalt

CC480K bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CC480K bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 13
8.4
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
85
Tensile Strength: Ultimate (UTS), MPa 300
1010
Tensile Strength: Yield (Proof), MPa 180
580

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1010
1360
Melting Onset (Solidus), °C 900
1270
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 63
15
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.5
Embodied Carbon, kg CO2/kg material 3.7
7.7
Embodied Energy, MJ/kg 59
110
Embodied Water, L/kg 390
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
72
Resilience: Unit (Modulus of Resilience), kJ/m3 140
770
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.6
33
Strength to Weight: Bending, points 11
26
Thermal Diffusivity, mm2/s 20
3.9
Thermal Shock Resistance, points 11
24

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 86 to 90
0
Iron (Fe), % 0 to 0.2
0 to 3.0
Lead (Pb), % 0 to 1.0
0
Manganese (Mn), % 0 to 0.1
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0 to 2.0
0 to 3.0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
0.2 to 2.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 0.5
0