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K93600 Alloy vs. R30605 Cobalt

K93600 alloy belongs to the iron alloys classification, while R30605 cobalt belongs to the cobalt alloys. There are 17 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 K93600 alloy and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
210
Elongation at Break, % 5.0 to 35
34
Tensile Strength: Ultimate (UTS), MPa 480 to 810
1130 to 1900
Tensile Strength: Yield (Proof), MPa 280 to 750
470 to 1600

Thermal Properties

Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 520
410
Thermal Conductivity, W/m-K 13
9.6
Thermal Expansion, µm/m-K 7.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.1
9.6

Common Calculations

Stiffness to Weight: Axial, points 9.4
12
Stiffness to Weight: Bending, points 21
21
Strength to Weight: Axial, points 16 to 28
33 to 55
Strength to Weight: Bending, points 17 to 24
25 to 36
Thermal Diffusivity, mm2/s 3.1
2.5
Thermal Shock Resistance, points 34 to 57
31 to 52

Comparable Variants