MakeItFrom.com
Menu (ESC)

Grade C-6 Titanium vs. R30008 Cobalt

Grade C-6 titanium belongs to the titanium alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade C-6 titanium and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 9.0
1.1 to 73
Fatigue Strength, MPa 460
320 to 530
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
83
Tensile Strength: Ultimate (UTS), MPa 890
950 to 1700
Tensile Strength: Yield (Proof), MPa 830
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Melting Completion (Liquidus), °C 1580
1400
Melting Onset (Solidus), °C 1530
1330
Specific Heat Capacity, J/kg-K 550
450
Thermal Expansion, µm/m-K 9.8
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
95
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 30
8.1
Embodied Energy, MJ/kg 480
110
Embodied Water, L/kg 190
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 3300
590 to 2720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
31 to 56
Strength to Weight: Bending, points 46
25 to 37
Thermal Shock Resistance, points 63
25 to 44

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
7.6 to 20
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.050
15 to 18
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
0
Residuals, % 0 to 0.4
0