MakeItFrom.com
Menu (ESC)

4007 Aluminum vs. Grade 20 Titanium

4007 aluminum belongs to the aluminum alloys classification, while grade 20 titanium 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 4007 aluminum and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 5.1 to 23
5.7 to 17
Fatigue Strength, MPa 46 to 88
550 to 630
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
47
Shear Strength, MPa 80 to 90
560 to 740
Tensile Strength: Ultimate (UTS), MPa 130 to 160
900 to 1270
Tensile Strength: Yield (Proof), MPa 50 to 120
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 170
370
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 590
1600
Specific Heat Capacity, J/kg-K 890
520
Thermal Expansion, µm/m-K 23
9.6

Otherwise Unclassified Properties

Density, g/cm3 2.8
5.0
Embodied Carbon, kg CO2/kg material 8.1
52
Embodied Energy, MJ/kg 150
860
Embodied Water, L/kg 1160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
33
Strength to Weight: Axial, points 12 to 15
50 to 70
Strength to Weight: Bending, points 20 to 23
41 to 52
Thermal Shock Resistance, points 5.5 to 6.7
55 to 77

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.050 to 0.25
5.5 to 6.5
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0.4 to 1.0
0 to 0.3
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0.15 to 0.7
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 1.0 to 1.7
0
Titanium (Ti), % 0 to 0.1
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants