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R30001 Cobalt vs. CR024A Copper

R30001 cobalt belongs to the cobalt alloys classification, while CR024A copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is CR024A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Melting Completion (Liquidus), °C 1530
1090
Melting Onset (Solidus), °C 1260
1040
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 15
370
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
100
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
100

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 8.9
2.6
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 460
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 22
18
Strength to Weight: Axial, points 19
7.1
Strength to Weight: Bending, points 18
9.3
Thermal Diffusivity, mm2/s 3.7
110
Thermal Shock Resistance, points 19
8.1

Alloy Composition

Carbon (C), % 2.0 to 3.0
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
99.9 to 99.985
Iron (Fe), % 0 to 3.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0.015 to 0.040
Silicon (Si), % 0 to 2.0
0
Silver (Ag), % 0
0 to 0.015
Tungsten (W), % 11 to 13
0