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EN AC-42000 Aluminum vs. Titanium 6-7

EN AC-42000 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-42000 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 1.1 to 2.4
11
Fatigue Strength, MPa 67 to 76
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 170 to 270
1020
Tensile Strength: Yield (Proof), MPa 95 to 230
900

Thermal Properties

Latent Heat of Fusion, J/g 500
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 610
1700
Melting Onset (Solidus), °C 600
1650
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 22
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.6
5.1
Embodied Carbon, kg CO2/kg material 8.0
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
110
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
3460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
32
Strength to Weight: Axial, points 18 to 28
56
Strength to Weight: Bending, points 26 to 35
44
Thermal Shock Resistance, points 7.9 to 12
66

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.55
0 to 0.25
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
0
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.15
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), % 6.5 to 7.5
0
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
84.9 to 88
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0