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Titanium 6-7 vs. EN AC-45100 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while EN AC-45100 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-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 11
1.0 to 2.8
Fatigue Strength, MPa 530
82 to 99
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 1020
300 to 360
Tensile Strength: Yield (Proof), MPa 900
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
630
Melting Onset (Solidus), °C 1650
550
Specific Heat Capacity, J/kg-K 520
890
Thermal Expansion, µm/m-K 9.3
22

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
2.8
Embodied Carbon, kg CO2/kg material 34
7.9
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
3.5 to 7.6
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
290 to 710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
49
Strength to Weight: Axial, points 56
30 to 35
Strength to Weight: Bending, points 44
35 to 39
Thermal Shock Resistance, points 66
14 to 16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88 to 92.8
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
2.6 to 3.6
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.45
Manganese (Mn), % 0
0 to 0.55
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
0 to 0.1
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 6.0
Tantalum (Ta), % 0 to 0.5
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 84.9 to 88
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15