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R30016 Cobalt vs. C91300 Bell Metal

R30016 cobalt belongs to the cobalt alloys classification, while C91300 bell metal belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 1600
190
Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 8.4
0.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
38
Tensile Strength: Ultimate (UTS), MPa 1010
240
Tensile Strength: Yield (Proof), MPa 580
210

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
890
Melting Onset (Solidus), °C 1270
820
Specific Heat Capacity, J/kg-K 450
360
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.4

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 7.7
4.5
Embodied Energy, MJ/kg 110
74
Embodied Water, L/kg 500
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 770
210
Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33
7.8
Strength to Weight: Bending, points 26
10
Thermal Shock Resistance, points 24
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
79 to 82
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.2 to 2.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
18 to 20
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6