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Grade 20 Titanium vs. EN AC-48100 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while EN AC-48100 aluminum belongs to the aluminum 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 grade 20 titanium and the bottom bar is EN AC-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
76
Elongation at Break, % 5.7 to 17
1.1
Fatigue Strength, MPa 550 to 630
120 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
29
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
240 to 330
Tensile Strength: Yield (Proof), MPa 850 to 1190
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
640
Maximum Temperature: Mechanical, °C 370
170
Melting Completion (Liquidus), °C 1660
580
Melting Onset (Solidus), °C 1600
470
Specific Heat Capacity, J/kg-K 520
880
Thermal Expansion, µm/m-K 9.6
20

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.8
Embodied Carbon, kg CO2/kg material 52
7.3
Embodied Energy, MJ/kg 860
130
Embodied Water, L/kg 350
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
2.3 to 3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 33
51
Strength to Weight: Axial, points 50 to 70
24 to 33
Strength to Weight: Bending, points 41 to 52
31 to 38
Thermal Shock Resistance, points 55 to 77
11 to 16

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
72.1 to 79.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 1.3
Magnesium (Mg), % 0
0.25 to 0.65
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
16 to 18
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 71 to 77
0 to 0.25
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 1.5
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.25

Comparable Variants