MakeItFrom.com
Menu (ESC)

4147 Aluminum vs. Grade 20 Titanium

4147 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 4147 aluminum and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 3.3
5.7 to 17
Fatigue Strength, MPa 42
550 to 630
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
47
Shear Strength, MPa 63
560 to 740
Tensile Strength: Ultimate (UTS), MPa 110
900 to 1270
Tensile Strength: Yield (Proof), MPa 59
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 570
400
Maximum Temperature: Mechanical, °C 160
370
Melting Completion (Liquidus), °C 580
1660
Melting Onset (Solidus), °C 560
1600
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 21
9.6

Otherwise Unclassified Properties

Density, g/cm3 2.5
5.0
Embodied Carbon, kg CO2/kg material 7.7
52
Embodied Energy, MJ/kg 140
860
Embodied Water, L/kg 1050
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 24
2940 to 5760
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
33
Strength to Weight: Axial, points 12
50 to 70
Strength to Weight: Bending, points 20
41 to 52
Thermal Shock Resistance, points 5.2
55 to 77

Alloy Composition

Aluminum (Al), % 85 to 88.9
3.0 to 4.0
Beryllium (Be), % 0 to 0.00030
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.8
0 to 0.3
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 11 to 13
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4