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CC494K Bronze vs. R30006 Cobalt

CC494K 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 (7, in this case) are not shown.

For each property being compared, the top bar is CC494K bronze and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 7.6
1.0
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 39
85
Tensile Strength: Ultimate (UTS), MPa 210
900
Tensile Strength: Yield (Proof), MPa 94
540

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 970
1400
Melting Onset (Solidus), °C 890
1290
Specific Heat Capacity, J/kg-K 360
450
Thermal Conductivity, W/m-K 63
15
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 16
1.7

Otherwise Unclassified Properties

Density, g/cm3 9.1
8.6
Embodied Carbon, kg CO2/kg material 3.1
7.8
Embodied Energy, MJ/kg 50
110
Embodied Water, L/kg 360
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 43
670
Stiffness to Weight: Axial, points 6.4
14
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 6.5
29
Strength to Weight: Bending, points 8.8
24
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 7.8
26

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
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
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
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 2.0
0 to 3.0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 2.0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 2.0
0