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Grade C-6 Titanium vs. Grade 20 Titanium

Both grade C-6 titanium and grade 20 titanium are titanium alloys. They have 78% of their average alloy composition in common. There are 24 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 grade C-6 titanium and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 9.0
5.7 to 17
Fatigue Strength, MPa 460
550 to 630
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
47
Tensile Strength: Ultimate (UTS), MPa 890
900 to 1270
Tensile Strength: Yield (Proof), MPa 830
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 310
370
Melting Completion (Liquidus), °C 1580
1660
Melting Onset (Solidus), °C 1530
1600
Specific Heat Capacity, J/kg-K 550
520
Thermal Expansion, µm/m-K 9.8
9.6

Otherwise Unclassified Properties

Density, g/cm3 4.5
5.0
Embodied Carbon, kg CO2/kg material 30
52
Embodied Energy, MJ/kg 480
860
Embodied Water, L/kg 190
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
2940 to 5760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
33
Strength to Weight: Axial, points 55
50 to 70
Strength to Weight: Bending, points 46
41 to 52
Thermal Shock Resistance, points 63
55 to 77

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
3.0 to 4.0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Hydrogen (H), % 0 to 0.015
0 to 0.020
Iron (Fe), % 0 to 0.5
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.2
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4