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Titanium 6-7 vs. EN AC-21200 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while EN AC-21200 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.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
3.9 to 6.2
Fatigue Strength, MPa 530
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 1020
410 to 440
Tensile Strength: Yield (Proof), MPa 900
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
660
Melting Onset (Solidus), °C 1650
550
Specific Heat Capacity, J/kg-K 520
880
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
3.0
Embodied Carbon, kg CO2/kg material 34
8.0
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
500 to 930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
46
Strength to Weight: Axial, points 56
38 to 40
Strength to Weight: Bending, points 44
41 to 43
Thermal Shock Resistance, points 66
18 to 19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
93.3 to 95.7
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
0 to 0.050
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
0 to 0.1
Tantalum (Ta), % 0 to 0.5
0
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 84.9 to 88
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1