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Titanium 6-7 vs. 4045 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 4045 aluminum belongs to the aluminum alloys. There are 26 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 titanium 6-7 and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
2.3
Fatigue Strength, MPa 530
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Shear Strength, MPa 610
69
Tensile Strength: Ultimate (UTS), MPa 1020
120
Tensile Strength: Yield (Proof), MPa 900
64

Thermal Properties

Latent Heat of Fusion, J/g 410
540
Maximum Temperature: Mechanical, °C 300
160
Melting Completion (Liquidus), °C 1700
600
Melting Onset (Solidus), °C 1650
580
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
21

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.6
Embodied Carbon, kg CO2/kg material 34
7.8
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 32
54
Strength to Weight: Axial, points 56
13
Strength to Weight: Bending, points 44
21
Thermal Shock Resistance, points 66
5.7

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
87.4 to 91
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
9.0 to 11
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15