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CC331G Bronze vs. R31233 Cobalt

CC331G bronze belongs to the copper alloys classification, while R31233 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 CC331G bronze and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 20
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 620
1020
Tensile Strength: Yield (Proof), MPa 240
420

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Melting Completion (Liquidus), °C 1060
1350
Melting Onset (Solidus), °C 1000
1330
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 61
12
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.2
8.4
Embodied Energy, MJ/kg 53
110
Embodied Water, L/kg 390
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
410
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 21
33
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 22
25

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Boron (B), % 0
0 to 0.015
Carbon (C), % 0
0.020 to 0.1
Chromium (Cr), % 0
23.5 to 27.5
Cobalt (Co), % 0
44.7 to 63.3
Copper (Cu), % 83 to 86.5
0
Iron (Fe), % 1.5 to 3.5
1.0 to 5.0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 1.5
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0.050 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.2
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 0.5
0