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EN AC-71100 Aluminum vs. Grade 24 Titanium

EN AC-71100 aluminum belongs to the aluminum alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 26 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 EN AC-71100 aluminum and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.1
11
Fatigue Strength, MPa 150
550
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 260
1010
Tensile Strength: Yield (Proof), MPa 230
940

Thermal Properties

Latent Heat of Fusion, J/g 490
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 580
1610
Melting Onset (Solidus), °C 520
1560
Specific Heat Capacity, J/kg-K 860
560
Thermal Expansion, µm/m-K 22
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.4
43
Embodied Energy, MJ/kg 140
710
Embodied Water, L/kg 1010
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
4160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 25
63
Strength to Weight: Bending, points 31
50
Thermal Shock Resistance, points 12
72

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.4
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0
0 to 0.4