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EN 2.4964 Cobalt vs. CR003A Copper

EN 2.4964 cobalt belongs to the cobalt alloys classification, while CR003A copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 960
230
Tensile Strength: Yield (Proof), MPa 390
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1090
Melting Onset (Solidus), °C 1550
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
100
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
100

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.0
Embodied Carbon, kg CO2/kg material 9.8
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
31
Resilience: Unit (Modulus of Resilience), kJ/m3 340
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
7.1
Strength to Weight: Bending, points 23
9.3
Thermal Diffusivity, mm2/s 3.9
110
Thermal Shock Resistance, points 25
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
99.954 to 100
Iron (Fe), % 0 to 3.0
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.015
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tungsten (W), % 14 to 16
0