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C44400 Brass vs. R31233 Cobalt

C44400 brass belongs to the copper alloys classification, while R31233 cobalt belongs to the cobalt alloys. There are 24 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 C44400 brass and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
85
Tensile Strength: Ultimate (UTS), MPa 350
1020
Tensile Strength: Yield (Proof), MPa 120
420

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 940
1350
Melting Onset (Solidus), °C 900
1330
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 27
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 330
480

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
410
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12
33
Strength to Weight: Bending, points 13
26
Thermal Diffusivity, mm2/s 35
3.2
Thermal Shock Resistance, points 12
25

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
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), % 70 to 73
0
Iron (Fe), % 0 to 0.060
1.0 to 5.0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.050 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.9 to 1.2
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 25.2 to 29.1
0
Residuals, % 0 to 0.4
0