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R30016 Cobalt vs. CC754S Brass

R30016 cobalt belongs to the cobalt alloys classification, while CC754S 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 CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 8.4
11
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 1010
320
Tensile Strength: Yield (Proof), MPa 580
160

Thermal Properties

Latent Heat of Fusion, J/g 320
170
Melting Completion (Liquidus), °C 1360
830
Melting Onset (Solidus), °C 1270
780
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 15
95
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
30

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 500
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
29
Resilience: Unit (Modulus of Resilience), kJ/m3 770
130
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 33
11
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 3.9
31
Thermal Shock Resistance, points 24
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
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
57 to 63
Iron (Fe), % 0 to 3.0
0 to 0.7
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0.5 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.2 to 2.0
0 to 0.3
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
30.2 to 42.5