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Grade 20 Titanium vs. 6013 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while 6013 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is 6013 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 5.7 to 17
3.4 to 22
Fatigue Strength, MPa 550 to 630
98 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
26
Shear Strength, MPa 560 to 740
190 to 240
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
310 to 410
Tensile Strength: Yield (Proof), MPa 850 to 1190
170 to 350

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 370
160
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1600
580
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.6
23

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.8
Embodied Carbon, kg CO2/kg material 52
8.3
Embodied Energy, MJ/kg 860
150
Embodied Water, L/kg 350
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
13 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
200 to 900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
49
Strength to Weight: Axial, points 50 to 70
31 to 41
Strength to Weight: Bending, points 41 to 52
37 to 44
Thermal Shock Resistance, points 55 to 77
14 to 18

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
94.8 to 97.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0 to 0.1
Copper (Cu), % 0
0.6 to 1.1
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0.2 to 0.8
Molybdenum (Mo), % 3.5 to 4.5
0
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
0.6 to 1.0
Titanium (Ti), % 71 to 77
0 to 0.1
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.15

Comparable Variants