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Titanium 6-7 vs. 238.0 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 238.0 aluminum belongs to the aluminum 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 titanium 6-7 and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 11
1.5
Fatigue Strength, MPa 530
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
28
Tensile Strength: Ultimate (UTS), MPa 1020
210
Tensile Strength: Yield (Proof), MPa 900
170

Thermal Properties

Latent Heat of Fusion, J/g 410
430
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
600
Melting Onset (Solidus), °C 1650
510
Specific Heat Capacity, J/kg-K 520
840
Thermal Expansion, µm/m-K 9.3
21

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 5.1
3.4
Embodied Carbon, kg CO2/kg material 34
7.4
Embodied Energy, MJ/kg 540
140
Embodied Water, L/kg 190
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
180
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 32
42
Strength to Weight: Axial, points 56
17
Strength to Weight: Bending, points 44
23
Thermal Shock Resistance, points 66
9.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
81.9 to 84.9
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
9.5 to 10.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
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
3.6 to 4.4
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Zinc (Zn), % 0
1.0 to 1.5