MakeItFrom.com
Menu (ESC)

C19800 Copper vs. R31538 Cobalt

C19800 copper belongs to the copper alloys classification, while R31538 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 C19800 copper and the bottom bar is R31538 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 9.0 to 12
13 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
86
Tensile Strength: Ultimate (UTS), MPa 430 to 550
1020 to 1360
Tensile Strength: Yield (Proof), MPa 420 to 550
580 to 930

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1070
1360
Melting Onset (Solidus), °C 1050
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 260
13
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 62
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 320
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 52
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
750 to 1920
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 14 to 17
34 to 45
Strength to Weight: Bending, points 14 to 17
27 to 32
Thermal Diffusivity, mm2/s 75
3.5
Thermal Shock Resistance, points 15 to 20
25 to 33

Alloy Composition

Carbon (C), % 0
0.15 to 0.35
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.7 to 68.9
Copper (Cu), % 95.7 to 99.47
0
Iron (Fe), % 0.020 to 0.5
0 to 0.75
Magnesium (Mg), % 0.1 to 1.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0.010 to 0.1
0
Silicon (Si), % 0
0 to 1.0
Tin (Sn), % 0.1 to 1.0
0
Zinc (Zn), % 0.3 to 1.5
0
Residuals, % 0 to 0.2
0