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Titanium 6-7 vs. Grade C-3 Titanium

Both titanium 6-7 and grade C-3 titanium are titanium alloys. They have 87% of their average alloy composition in common. There are 25 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 titanium 6-7 and the bottom bar is grade C-3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
13
Fatigue Strength, MPa 530
260
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 1020
500
Tensile Strength: Yield (Proof), MPa 900
430

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 300
320
Melting Completion (Liquidus), °C 1700
1660
Melting Onset (Solidus), °C 1650
1610
Specific Heat Capacity, J/kg-K 520
540
Thermal Expansion, µm/m-K 9.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
37
Density, g/cm3 5.1
4.5
Embodied Carbon, kg CO2/kg material 34
31
Embodied Energy, MJ/kg 540
510
Embodied Water, L/kg 190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
65
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
35
Strength to Weight: Axial, points 56
31
Strength to Weight: Bending, points 44
31
Thermal Shock Resistance, points 66
39

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.1
Hydrogen (H), % 0 to 0.0090
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.25
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
0 to 0.050
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0 to 0.4
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
98.8 to 100
Residuals, % 0
0 to 0.4