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R31537 Cobalt vs. K93600 Alloy

R31537 cobalt belongs to the cobalt alloys classification, while K93600 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R31537 cobalt and the bottom bar is K93600 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
140
Elongation at Break, % 14 to 23
5.0 to 35
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
480 to 810
Tensile Strength: Yield (Proof), MPa 590 to 940
280 to 750

Thermal Properties

Melting Onset (Solidus), °C 1290
1430
Specific Heat Capacity, J/kg-K 450
520
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 13
7.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.1

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
21 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 1990
280 to 2050
Stiffness to Weight: Axial, points 15
9.4
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 33 to 44
16 to 28
Strength to Weight: Bending, points 26 to 32
17 to 24
Thermal Diffusivity, mm2/s 3.4
3.1
Thermal Shock Resistance, points 24 to 32
34 to 57

Comparable Variants