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EN AC-42000 Aluminum vs. Grade 20 Titanium

EN AC-42000 aluminum belongs to the aluminum alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN AC-42000 aluminum and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 1.1 to 2.4
5.7 to 17
Fatigue Strength, MPa 67 to 76
550 to 630
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
47
Tensile Strength: Ultimate (UTS), MPa 170 to 270
900 to 1270
Tensile Strength: Yield (Proof), MPa 95 to 230
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 500
400
Maximum Temperature: Mechanical, °C 170
370
Melting Completion (Liquidus), °C 610
1660
Melting Onset (Solidus), °C 600
1600
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 22
9.6

Otherwise Unclassified Properties

Density, g/cm3 2.6
5.0
Embodied Carbon, kg CO2/kg material 8.0
52
Embodied Energy, MJ/kg 150
860
Embodied Water, L/kg 1110
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
2940 to 5760
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
33
Strength to Weight: Axial, points 18 to 28
50 to 70
Strength to Weight: Bending, points 26 to 35
41 to 52
Thermal Shock Resistance, points 7.9 to 12
55 to 77

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.55
0 to 0.3
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
3.5 to 4.5
Nickel (Ni), % 0 to 0.15
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), % 6.5 to 7.5
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants