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R30006 Cobalt vs. R60901 Alloy

R30006 cobalt belongs to the cobalt alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
98
Elongation at Break, % 1.0
17 to 22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
37
Tensile Strength: Ultimate (UTS), MPa 900
500 to 580
Tensile Strength: Yield (Proof), MPa 540
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Specific Heat Capacity, J/kg-K 450
270
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 11
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
6.6
Embodied Water, L/kg 500
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 670
640 to 760
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 29
21 to 25
Strength to Weight: Bending, points 24
21 to 24
Thermal Diffusivity, mm2/s 3.9
9.7
Thermal Shock Resistance, points 26
58 to 67

Alloy Composition

Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Iron (Fe), % 0 to 3.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Niobium (Nb), % 0
2.4 to 2.8
Silicon (Si), % 0 to 2.0
0
Tungsten (W), % 4.0 to 6.0
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29