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R60901 Alloy vs. R30008 Cobalt

R60901 alloy belongs to the otherwise unclassified metals classification, while R30008 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R60901 alloy and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
210
Elongation at Break, % 17 to 22
1.1 to 73
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
83
Tensile Strength: Ultimate (UTS), MPa 500 to 580
950 to 1700
Tensile Strength: Yield (Proof), MPa 350 to 390
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Specific Heat Capacity, J/kg-K 270
450
Thermal Expansion, µm/m-K 6.3
13

Otherwise Unclassified Properties

Density, g/cm3 6.6
8.4
Embodied Water, L/kg 270
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 760
590 to 2720
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21 to 25
31 to 56
Strength to Weight: Bending, points 21 to 24
25 to 37
Thermal Shock Resistance, points 58 to 67
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Iron (Fe), % 0
7.6 to 20
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
Niobium (Nb), % 2.4 to 2.8
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 96.8 to 97.5
0
Residuals, % 0 to 0.29
0

Comparable Variants