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R30016 Cobalt vs. C33200 Brass

R30016 cobalt belongs to the cobalt alloys classification, while C33200 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 8.4
7.0 to 60
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 1010
320 to 520
Tensile Strength: Yield (Proof), MPa 580
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 320
170
Melting Completion (Liquidus), °C 1360
930
Melting Onset (Solidus), °C 1270
900
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
28

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 500
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 770
60 to 960
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 33
11 to 17
Strength to Weight: Bending, points 26
13 to 17
Thermal Diffusivity, mm2/s 3.9
37
Thermal Shock Resistance, points 24
11 to 17

Alloy Composition

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
65 to 68
Iron (Fe), % 0 to 3.0
0 to 0.070
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0.2 to 2.0
0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
29 to 33.5
Residuals, % 0
0 to 0.4