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EN AC-45100 Aluminum vs. Grade 20 Titanium

EN AC-45100 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-45100 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, % 1.0 to 2.8
5.7 to 17
Fatigue Strength, MPa 82 to 99
550 to 630
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
47
Tensile Strength: Ultimate (UTS), MPa 300 to 360
900 to 1270
Tensile Strength: Yield (Proof), MPa 210 to 320
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
370
Melting Completion (Liquidus), °C 630
1660
Melting Onset (Solidus), °C 550
1600
Specific Heat Capacity, J/kg-K 890
520
Thermal Expansion, µm/m-K 22
9.6

Otherwise Unclassified Properties

Density, g/cm3 2.8
5.0
Embodied Carbon, kg CO2/kg material 7.9
52
Embodied Energy, MJ/kg 150
860
Embodied Water, L/kg 1100
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
33
Strength to Weight: Axial, points 30 to 35
50 to 70
Strength to Weight: Bending, points 35 to 39
41 to 52
Thermal Shock Resistance, points 14 to 16
55 to 77

Alloy Composition

Aluminum (Al), % 88 to 92.8
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 2.6 to 3.6
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.6
0 to 0.3
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.1
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), % 4.5 to 6.0
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 0.2
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants