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Titanium 6-7 vs. 355.0 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 26 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 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
1.5 to 2.6
Fatigue Strength, MPa 530
55 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Shear Strength, MPa 610
150 to 240
Tensile Strength: Ultimate (UTS), MPa 1020
200 to 260
Tensile Strength: Yield (Proof), MPa 900
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 300
180
Melting Completion (Liquidus), °C 1700
620
Melting Onset (Solidus), °C 1650
560
Specific Heat Capacity, J/kg-K 520
890
Thermal Expansion, µm/m-K 9.3
22

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.7
Embodied Carbon, kg CO2/kg material 34
8.0
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
150 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
51
Strength to Weight: Axial, points 56
20 to 27
Strength to Weight: Bending, points 44
28 to 33
Thermal Shock Resistance, points 66
9.1 to 12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
90.3 to 94.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.6
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.5
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
4.5 to 5.5
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15