MakeItFrom.com
Menu (ESC)

R30021 Cobalt vs. Grade 5 Titanium

R30021 cobalt belongs to the cobalt alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30021 cobalt and the bottom bar is grade 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 9.0
8.6 to 11
Fatigue Strength, MPa 250
530 to 630
Poisson's Ratio 0.29
0.32
Rockwell C Hardness 32
33
Shear Modulus, GPa 86
40
Tensile Strength: Ultimate (UTS), MPa 700
1000 to 1190
Tensile Strength: Yield (Proof), MPa 500
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Melting Completion (Liquidus), °C 1350
1610
Melting Onset (Solidus), °C 1190
1650
Specific Heat Capacity, J/kg-K 450
560
Thermal Conductivity, W/m-K 15
6.8
Thermal Expansion, µm/m-K 11
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.4
4.4
Embodied Carbon, kg CO2/kg material 8.0
38
Embodied Energy, MJ/kg 110
610
Embodied Water, L/kg 520
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570
3980 to 5880
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23
62 to 75
Strength to Weight: Bending, points 21
50 to 56
Thermal Diffusivity, mm2/s 3.8
2.7
Thermal Shock Resistance, points 21
76 to 91

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.2 to 0.35
0 to 0.080
Chromium (Cr), % 26 to 29
0
Cobalt (Co), % 61.7 to 67.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 3.0
0 to 0.4
Molybdenum (Mo), % 4.5 to 6.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 1.5
0
Titanium (Ti), % 0
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Residuals, % 0
0 to 0.4