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CC753S Brass vs. R31537 Cobalt

CC753S brass belongs to the copper alloys classification, while R31537 cobalt belongs to the cobalt 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 CC753S brass and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 17
14 to 23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
87
Tensile Strength: Ultimate (UTS), MPa 340
1000 to 1340
Tensile Strength: Yield (Proof), MPa 170
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 820
1360
Melting Onset (Solidus), °C 780
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 99
13
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 47
110
Embodied Water, L/kg 330
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 140
780 to 1990
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
33 to 44
Strength to Weight: Bending, points 13
26 to 32
Thermal Diffusivity, mm2/s 32
3.4
Thermal Shock Resistance, points 11
24 to 32

Alloy Composition

Aluminum (Al), % 0.4 to 0.8
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 56.8 to 60.5
0
Iron (Fe), % 0.5 to 0.8
0 to 0.75
Lead (Pb), % 1.8 to 2.5
0
Manganese (Mn), % 0 to 0.2
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0.5 to 1.2
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.050
0 to 1.0
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 33.1 to 40
0