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EN 2.4964 Cobalt vs. K94200 Alloy

EN 2.4964 cobalt belongs to the cobalt alloys classification, while K94200 alloy belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
140
Elongation at Break, % 40
5.0 to 32
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
54
Tensile Strength: Ultimate (UTS), MPa 960
500 to 710
Tensile Strength: Yield (Proof), MPa 390
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1550
1440
Specific Heat Capacity, J/kg-K 400
500
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.0

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 340
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 21
21
Strength to Weight: Axial, points 28
17 to 24
Strength to Weight: Bending, points 23
17 to 22
Thermal Diffusivity, mm2/s 3.9
3.7
Thermal Shock Resistance, points 25
49 to 70