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C94500 Bronze vs. R31233 Cobalt

C94500 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 C94500 bronze and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
220
Elongation at Break, % 12
17
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 34
85
Tensile Strength: Ultimate (UTS), MPa 170
1020
Tensile Strength: Yield (Proof), MPa 83
420

Thermal Properties

Latent Heat of Fusion, J/g 160
320
Melting Completion (Liquidus), °C 940
1350
Melting Onset (Solidus), °C 800
1330
Specific Heat Capacity, J/kg-K 330
440
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.1

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.6
Embodied Carbon, kg CO2/kg material 3.2
8.4
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 380
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
140
Resilience: Unit (Modulus of Resilience), kJ/m3 37
410
Stiffness to Weight: Axial, points 5.5
14
Stiffness to Weight: Bending, points 16
23
Strength to Weight: Axial, points 5.2
33
Strength to Weight: Bending, points 7.4
26
Thermal Diffusivity, mm2/s 17
3.2
Thermal Shock Resistance, points 6.7
25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
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), % 66.7 to 78
0
Iron (Fe), % 0 to 0.15
1.0 to 5.0
Lead (Pb), % 16 to 22
0
Manganese (Mn), % 0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 1.0
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.0050
0.050 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.020
Tin (Sn), % 6.0 to 8.0
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 1.2
0