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Grade 36 Titanium vs. Grade 29 Titanium

Both grade 36 titanium and grade 29 titanium are titanium alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 36 titanium and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
6.8 to 11
Fatigue Strength, MPa 300
460 to 510
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 39
40
Shear Strength, MPa 320
550 to 560
Tensile Strength: Ultimate (UTS), MPa 530
930 to 940
Tensile Strength: Yield (Proof), MPa 520
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 320
340
Melting Completion (Liquidus), °C 2020
1610
Melting Onset (Solidus), °C 1950
1560
Specific Heat Capacity, J/kg-K 420
560
Thermal Expansion, µm/m-K 8.1
9.3

Otherwise Unclassified Properties

Density, g/cm3 6.3
4.5
Embodied Carbon, kg CO2/kg material 58
39
Embodied Energy, MJ/kg 920
640
Embodied Water, L/kg 130
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
62 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
3420 to 3540
Stiffness to Weight: Axial, points 9.3
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 23
58 to 59
Strength to Weight: Bending, points 23
47 to 48
Thermal Shock Resistance, points 45
68 to 69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.080
Hydrogen (H), % 0 to 0.0035
0 to 0.015
Iron (Fe), % 0 to 0.030
0 to 0.25
Niobium (Nb), % 42 to 47
0
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.16
0 to 0.13
Ruthenium (Ru), % 0
0.080 to 0.14
Titanium (Ti), % 52.3 to 58
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4