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CC495K Bronze vs. R30003 Cobalt

CC495K bronze belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC495K bronze and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 7.0
10 to 73
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 37
83
Tensile Strength: Ultimate (UTS), MPa 240
970 to 1720
Tensile Strength: Yield (Proof), MPa 120
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Melting Completion (Liquidus), °C 930
1400
Melting Onset (Solidus), °C 820
1440
Specific Heat Capacity, J/kg-K 350
450
Thermal Conductivity, W/m-K 48
13
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
95
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 3.6
8.0
Embodied Energy, MJ/kg 58
110
Embodied Water, L/kg 400
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 68
600 to 2790
Stiffness to Weight: Axial, points 6.2
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 7.3
32 to 57
Strength to Weight: Bending, points 9.4
26 to 38
Thermal Diffusivity, mm2/s 15
3.3
Thermal Shock Resistance, points 8.8
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.5
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 76 to 82
0
Iron (Fe), % 0 to 0.25
10 to 20.5
Lead (Pb), % 8.0 to 11
0
Manganese (Mn), % 0 to 0.2
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0 to 2.0
14 to 16
Phosphorus (P), % 0 to 0.1
0 to 0.015
Silicon (Si), % 0 to 0.010
0 to 1.2
Sulfur (S), % 0 to 0.1
0 to 0.015
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 2.0
0