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Grade C-6 Titanium vs. Grade 29 Titanium

Both grade C-6 titanium and grade 29 titanium are titanium alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 9.0
6.8 to 11
Fatigue Strength, MPa 460
460 to 510
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 890
930 to 940
Tensile Strength: Yield (Proof), MPa 830
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 310
340
Melting Completion (Liquidus), °C 1580
1610
Melting Onset (Solidus), °C 1530
1560
Specific Heat Capacity, J/kg-K 550
560
Thermal Conductivity, W/m-K 7.8
7.3
Thermal Expansion, µm/m-K 9.8
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 30
39
Embodied Energy, MJ/kg 480
640
Embodied Water, L/kg 190
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
62 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 3300
3420 to 3540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 55
58 to 59
Strength to Weight: Bending, points 46
47 to 48
Thermal Diffusivity, mm2/s 3.2
2.9
Thermal Shock Resistance, points 63
68 to 69

Alloy Composition


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Aluminum (Al), % 4.0 to 6.0
5.5 to 6.5
Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.25
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.2
0 to 0.13
Ruthenium (Ru), % 0
0.080 to 0.14
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.4
0 to 0.4