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R30016 Cobalt vs. CC765S Brass

R30016 cobalt belongs to the cobalt alloys classification, while CC765S brass belongs to the copper alloys. There are 26 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 CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 8.4
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 85
42
Tensile Strength: Ultimate (UTS), MPa 1010
540
Tensile Strength: Yield (Proof), MPa 580
220

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
860
Melting Onset (Solidus), °C 1270
820
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 15
91
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
34

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
51
Embodied Water, L/kg 500
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
90
Resilience: Unit (Modulus of Resilience), kJ/m3 770
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 33
19
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 3.9
28
Thermal Shock Resistance, points 24
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
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
51 to 65
Iron (Fe), % 0 to 3.0
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.5 to 2.0
0.3 to 3.0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 2.0
0 to 0.1
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
19.8 to 47.7