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C44400 Brass vs. R30075 Cobalt

C44400 brass belongs to the copper alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 24 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 C44400 brass and the bottom bar is R30075 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210 to 250
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
82 to 98
Tensile Strength: Ultimate (UTS), MPa 350
780 to 1280
Tensile Strength: Yield (Proof), MPa 120
480 to 840

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 940
1360
Melting Onset (Solidus), °C 900
1290
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 20
12

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
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 330
530

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
560 to 1410
Stiffness to Weight: Axial, points 7.2
14 to 17
Stiffness to Weight: Bending, points 19
24 to 25
Strength to Weight: Axial, points 12
26 to 42
Strength to Weight: Bending, points 13
22 to 31
Thermal Diffusivity, mm2/s 35
3.5
Thermal Shock Resistance, points 12
21 to 29

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0.020 to 0.1
0
Boron (B), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.35
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
58.7 to 68
Copper (Cu), % 70 to 73
0
Iron (Fe), % 0 to 0.060
0 to 0.75
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0.9 to 1.2
0
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 0
0 to 0.2
Zinc (Zn), % 25.2 to 29.1
0
Residuals, % 0 to 0.4
0