R30605 Cobalt vs. C44500 Brass
R30605 cobalt belongs to the cobalt alloys classification, while C44500 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is R30605 cobalt and the bottom bar is C44500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
110 |
Poisson's Ratio | 0.29 | |
0.32 |
Shear Modulus, GPa | 81 | |
41 |
Tensile Strength: Ultimate (UTS), MPa | 1130 to 1900 | |
350 |
Tensile Strength: Yield (Proof), MPa | 470 to 1600 | |
120 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
180 |
Melting Completion (Liquidus), °C | 1410 | |
940 |
Melting Onset (Solidus), °C | 1330 | |
900 |
Specific Heat Capacity, J/kg-K | 410 | |
380 |
Thermal Conductivity, W/m-K | 9.6 | |
110 |
Thermal Expansion, µm/m-K | 12 | |
20 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
25 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
27 |
Otherwise Unclassified Properties
Density, g/cm3 | 9.6 | |
8.3 |
Embodied Carbon, kg CO2/kg material | 9.8 | |
2.7 |
Embodied Energy, MJ/kg | 140 | |
46 |
Embodied Water, L/kg | 450 | |
330 |
Common Calculations
Stiffness to Weight: Axial, points | 12 | |
7.2 |
Stiffness to Weight: Bending, points | 21 | |
19 |
Strength to Weight: Axial, points | 33 to 55 | |
12 |
Strength to Weight: Bending, points | 25 to 36 | |
13 |
Thermal Diffusivity, mm2/s | 2.5 | |
35 |
Thermal Shock Resistance, points | 31 to 52 | |
12 |
Alloy Composition
Carbon (C), % | 0.050 to 0.15 | |
0 |
Chromium (Cr), % | 19 to 21 | |
0 |
Cobalt (Co), % | 46.4 to 57 | |
0 |
Copper (Cu), % | 0 | |
70 to 73 |
Iron (Fe), % | 0 to 3.0 | |
0 to 0.060 |
Lead (Pb), % | 0 | |
0 to 0.070 |
Manganese (Mn), % | 1.0 to 2.0 | |
0 |
Nickel (Ni), % | 9.0 to 11 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0.020 to 0.1 |
Silicon (Si), % | 0 to 0.4 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Tin (Sn), % | 0 | |
0.9 to 1.2 |
Tungsten (W), % | 14 to 16 | |
0 |
Zinc (Zn), % | 0 | |
25.2 to 29.1 |
Residuals, % | 0 | |
0 to 0.4 |