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EN AC-46400 Aluminum vs. Titanium 6-7

EN AC-46400 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 EN AC-46400 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, % 1.1 to 1.7
11
Fatigue Strength, MPa 75 to 85
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 170 to 310
1020
Tensile Strength: Yield (Proof), MPa 110 to 270
900

Thermal Properties

Latent Heat of Fusion, J/g 520
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 610
1700
Melting Onset (Solidus), °C 570
1650
Specific Heat Capacity, J/kg-K 890
520
Thermal Expansion, µm/m-K 22
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.7
5.1
Embodied Carbon, kg CO2/kg material 7.8
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1070
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
3460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
32
Strength to Weight: Axial, points 18 to 32
56
Strength to Weight: Bending, points 26 to 38
44
Thermal Shock Resistance, points 7.8 to 14
66

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.8 to 1.3
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.8
0 to 0.25
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.2
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), % 8.3 to 9.7
0
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
84.9 to 88
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.25
0