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296.0 Aluminum vs. Titanium 6-7

296.0 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 (7, in this case) are not shown.

For each property being compared, the top bar is 296.0 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 3.2 to 7.1
11
Fatigue Strength, MPa 47 to 70
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 260 to 270
1020
Tensile Strength: Yield (Proof), MPa 120 to 180
900

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 630
1700
Melting Onset (Solidus), °C 540
1650
Specific Heat Capacity, J/kg-K 870
520
Thermal Expansion, µm/m-K 22
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 3.0
5.1
Embodied Carbon, kg CO2/kg material 7.8
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
3460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
32
Strength to Weight: Axial, points 24 to 25
56
Strength to Weight: Bending, points 30 to 31
44
Thermal Shock Resistance, points 12
66

Alloy Composition

Aluminum (Al), % 89 to 94
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 1.2
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.35
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 2.0 to 3.0
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.25
84.9 to 88
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0