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C91600 Bronze vs. R31233 Cobalt

C91600 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 C91600 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, % 11
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
85
Tensile Strength: Ultimate (UTS), MPa 310
1020
Tensile Strength: Yield (Proof), MPa 160
420

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1030
1350
Melting Onset (Solidus), °C 860
1330
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 71
12
Thermal Expansion, µm/m-K 18
13

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 3.7
8.4
Embodied Energy, MJ/kg 61
110
Embodied Water, L/kg 390
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120
410
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 9.9
33
Strength to Weight: Bending, points 12
26
Thermal Diffusivity, mm2/s 22
3.2
Thermal Shock Resistance, points 11
25

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
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), % 85.9 to 89.1
0
Iron (Fe), % 0 to 0.2
1.0 to 5.0
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 1.2 to 2.0
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0 to 0.3
0 to 0.030
Silicon (Si), % 0 to 0.0050
0.050 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020
Tin (Sn), % 9.7 to 10.8
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 0 to 0.25
0