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R30605 Cobalt vs. Nickel Beryllium 360

R30605 cobalt belongs to the cobalt alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 21 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 R30605 cobalt and the bottom bar is nickel beryllium 360.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
1.0 to 30
Fatigue Strength, MPa 260 to 590
260 to 710
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
780 to 1860
Tensile Strength: Yield (Proof), MPa 470 to 1600
380 to 1590

Thermal Properties

Melting Completion (Liquidus), °C 1410
1330
Melting Onset (Solidus), °C 1330
1200
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 9.6
48
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
5.4

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.3

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 33 to 55
26 to 62
Strength to Weight: Bending, points 25 to 36
23 to 41
Thermal Diffusivity, mm2/s 2.5
13
Thermal Shock Resistance, points 31 to 52
19 to 46

Comparable Variants