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R30001 Cobalt vs. Titanium 6-6-2

R30001 cobalt belongs to the cobalt alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 23 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 R30001 cobalt and the bottom bar is titanium 6-6-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
6.7 to 9.0
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 86
44
Tensile Strength: Ultimate (UTS), MPa 620
1140 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Melting Completion (Liquidus), °C 1530
1610
Melting Onset (Solidus), °C 1260
1560
Specific Heat Capacity, J/kg-K 430
540
Thermal Conductivity, W/m-K 15
5.5
Thermal Expansion, µm/m-K 11
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.1

Otherwise Unclassified Properties

Density, g/cm3 9.0
4.8
Embodied Carbon, kg CO2/kg material 8.9
29
Embodied Energy, MJ/kg 130
470
Embodied Water, L/kg 460
200

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
34
Strength to Weight: Axial, points 19
66 to 79
Strength to Weight: Bending, points 18
50 to 57
Thermal Diffusivity, mm2/s 3.7
2.1
Thermal Shock Resistance, points 19
75 to 90

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Carbon (C), % 2.0 to 3.0
0 to 0.050
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 3.0
0.35 to 1.0
Molybdenum (Mo), % 0 to 1.0
5.0 to 6.0
Nickel (Ni), % 0 to 3.0
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 2.0
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
82.8 to 87.8
Tungsten (W), % 11 to 13
0
Residuals, % 0
0 to 0.4