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R30605 Cobalt vs. R58150 Titanium

R30605 cobalt belongs to the cobalt alloys classification, while R58150 titanium belongs to the titanium alloys. There are 21 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 R30605 cobalt and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
140
Elongation at Break, % 34
13
Fatigue Strength, MPa 260 to 590
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
52
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
770
Tensile Strength: Yield (Proof), MPa 470 to 1600
550

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Melting Completion (Liquidus), °C 1410
1760
Melting Onset (Solidus), °C 1330
1700
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 12
8.4

Otherwise Unclassified Properties

Density, g/cm3 9.6
5.4
Embodied Carbon, kg CO2/kg material 9.8
31
Embodied Energy, MJ/kg 140
480
Embodied Water, L/kg 450
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
32
Strength to Weight: Axial, points 33 to 55
40
Strength to Weight: Bending, points 25 to 36
35
Thermal Shock Resistance, points 31 to 52
48

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 3.0
0 to 0.1
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 9.0 to 11
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86
Tungsten (W), % 14 to 16
0