MakeItFrom.com
Menu (ESC)

R30006 Cobalt vs. C87500 Brass

R30006 cobalt belongs to the cobalt alloys classification, while C87500 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 1.0
18
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 85
42
Tensile Strength: Ultimate (UTS), MPa 900
460
Tensile Strength: Yield (Proof), MPa 540
190

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1400
920
Melting Onset (Solidus), °C 1290
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 500
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
67
Resilience: Unit (Modulus of Resilience), kJ/m3 670
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 3.9
8.3
Thermal Shock Resistance, points 26
17

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
79 to 85
Iron (Fe), % 0 to 3.0
0
Lead (Pb), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0 to 2.0
3.0 to 5.0
Tungsten (W), % 4.0 to 6.0
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5