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4007 Aluminum vs. Titanium 6-7

4007 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 4007 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 5.1 to 23
11
Fatigue Strength, MPa 46 to 88
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Shear Strength, MPa 80 to 90
610
Tensile Strength: Ultimate (UTS), MPa 130 to 160
1020
Tensile Strength: Yield (Proof), MPa 50 to 120
900

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 650
1700
Melting Onset (Solidus), °C 590
1650
Specific Heat Capacity, J/kg-K 890
520
Thermal Expansion, µm/m-K 23
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.8
5.1
Embodied Carbon, kg CO2/kg material 8.1
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
110
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
32
Strength to Weight: Axial, points 12 to 15
56
Strength to Weight: Bending, points 20 to 23
44
Thermal Shock Resistance, points 5.5 to 6.7
66

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0.4 to 1.0
0 to 0.25
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0.15 to 0.7
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), % 1.0 to 1.7
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.1
84.9 to 88
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0