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R30003 Cobalt vs. CC212E Bronze

R30003 cobalt belongs to the cobalt alloys classification, while CC212E bronze belongs to the copper alloys. There are 24 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 R30003 cobalt and the bottom bar is CC212E bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
130
Elongation at Break, % 10 to 73
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 83
47
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
710
Tensile Strength: Yield (Proof), MPa 510 to 1090
310

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1440
1020
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 95
27
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 110
55
Embodied Water, L/kg 400
370

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
390
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 32 to 57
24
Strength to Weight: Bending, points 26 to 38
21
Thermal Shock Resistance, points 26 to 45
22

Alloy Composition

Aluminum (Al), % 0
7.0 to 9.0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
68 to 77
Iron (Fe), % 10 to 20.5
2.0 to 4.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 1.5 to 2.5
8.0 to 15
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
1.5 to 4.5
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 1.0