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354.0 Aluminum vs. Titanium 6-7

354.0 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 25 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 354.0 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 2.4 to 3.0
11
Fatigue Strength, MPa 92 to 120
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 360 to 380
1020
Tensile Strength: Yield (Proof), MPa 280 to 310
900

Thermal Properties

Latent Heat of Fusion, J/g 530
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 600
1700
Melting Onset (Solidus), °C 550
1650
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 21
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.7
5.1
Embodied Carbon, kg CO2/kg material 7.8
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1070
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
110
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
3460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
32
Strength to Weight: Axial, points 37 to 39
56
Strength to Weight: Bending, points 42 to 44
44
Thermal Shock Resistance, points 17 to 18
66

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 1.6 to 2.0
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.2
0 to 0.25
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 8.6 to 9.4
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.2
84.9 to 88
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0