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CC494K Bronze vs. R30016 Cobalt

CC494K 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 CC494K bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 7.6
8.4
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 39
85
Tensile Strength: Ultimate (UTS), MPa 210
1010
Tensile Strength: Yield (Proof), MPa 94
580

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 970
1360
Melting Onset (Solidus), °C 890
1270
Specific Heat Capacity, J/kg-K 360
450
Thermal Conductivity, W/m-K 63
15
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 16
2.0

Otherwise Unclassified Properties

Density, g/cm3 9.1
8.5
Embodied Carbon, kg CO2/kg material 3.1
7.7
Embodied Energy, MJ/kg 50
110
Embodied Water, L/kg 360
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
72
Resilience: Unit (Modulus of Resilience), kJ/m3 43
770
Stiffness to Weight: Axial, points 6.4
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 6.5
33
Strength to Weight: Bending, points 8.8
26
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 7.8
24

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.5
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), % 78 to 87
0
Iron (Fe), % 0 to 0.25
0 to 3.0
Lead (Pb), % 8.0 to 10
0
Manganese (Mn), % 0 to 0.2
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 0.1
0
Silicon (Si), % 0 to 0.010
0.2 to 2.0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 2.0
0