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Grade 1 Titanium vs. Grade 11 Titanium

Both grade 1 titanium and grade 11 titanium are titanium alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
120
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 28
29
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.32
Reduction in Area, % 36
37
Shear Modulus, GPa 39
38
Shear Strength, MPa 200
200
Tensile Strength: Ultimate (UTS), MPa 310
310
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 320
320
Melting Completion (Liquidus), °C 1660
1660
Melting Onset (Solidus), °C 1610
1610
Specific Heat Capacity, J/kg-K 540
540
Thermal Conductivity, W/m-K 20
22
Thermal Expansion, µm/m-K 8.8
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 31
47
Embodied Energy, MJ/kg 510
800
Embodied Water, L/kg 110
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
81
Resilience: Unit (Modulus of Resilience), kJ/m3 230
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 8.2
8.9
Thermal Shock Resistance, points 24
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.2
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.18
0 to 0.18
Palladium (Pd), % 0
0.12 to 0.25
Titanium (Ti), % 99.095 to 100
98.8 to 99.88
Residuals, % 0
0 to 0.4