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Titanium 6-7 vs. EN AC-43300 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while EN AC-43300 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN AC-43300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
3.4 to 6.7
Fatigue Strength, MPa 530
76 to 77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 1020
280 to 290
Tensile Strength: Yield (Proof), MPa 900
210 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
540
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
600
Melting Onset (Solidus), °C 1650
590
Specific Heat Capacity, J/kg-K 520
910
Thermal Expansion, µm/m-K 9.3
22

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.5
Embodied Carbon, kg CO2/kg material 34
7.9
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
9.1 to 17
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
300 to 370
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 32
54
Strength to Weight: Axial, points 56
31 to 32
Strength to Weight: Bending, points 44
37 to 38
Thermal Shock Resistance, points 66
13 to 14

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88.9 to 90.8
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 0.19
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0
0 to 0.1
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 10
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1