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Titanium 6-7 vs. EN AC-51400 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while EN AC-51400 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN AC-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
67
Elongation at Break, % 11
3.4
Fatigue Strength, MPa 530
85
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
25
Tensile Strength: Ultimate (UTS), MPa 1020
190
Tensile Strength: Yield (Proof), MPa 900
120

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
600
Specific Heat Capacity, J/kg-K 520
910
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.7
Embodied Carbon, kg CO2/kg material 34
9.1
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
51
Strength to Weight: Axial, points 56
20
Strength to Weight: Bending, points 44
28
Thermal Shock Resistance, points 66
8.6

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
90.5 to 95.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.55
Magnesium (Mg), % 0
4.5 to 6.5
Manganese (Mn), % 0
0 to 0.45
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
0 to 1.5
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