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CC760S Brass vs. R31233 Cobalt

CC760S brass belongs to the copper alloys classification, while R31233 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC760S brass and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 22
17
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
85
Tensile Strength: Ultimate (UTS), MPa 180
1020
Tensile Strength: Yield (Proof), MPa 80
420

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 1000
1350
Melting Onset (Solidus), °C 940
1330
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 150
12
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 40
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 2.6
8.4
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 320
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
140
Resilience: Unit (Modulus of Resilience), kJ/m3 29
410
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 5.8
33
Strength to Weight: Bending, points 8.2
26
Thermal Diffusivity, mm2/s 45
3.2
Thermal Shock Resistance, points 6.2
25

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0.050 to 0.15
0
Boron (B), % 0
0 to 0.015
Carbon (C), % 0
0.020 to 0.1
Chromium (Cr), % 0
23.5 to 27.5
Cobalt (Co), % 0
44.7 to 63.3
Copper (Cu), % 83 to 88
0
Iron (Fe), % 0 to 0.15
1.0 to 5.0
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 0.1
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 0.1
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.020
0.050 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.3
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 10.7 to 17
0