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EN AC-71100 Aluminum vs. R56406 Titanium

EN AC-71100 aluminum belongs to the aluminum alloys classification, while R56406 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-71100 aluminum and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.1
9.1
Fatigue Strength, MPa 150
480
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 260
980
Tensile Strength: Yield (Proof), MPa 230
850

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

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.4
38
Embodied Energy, MJ/kg 140
610
Embodied Water, L/kg 1010
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
85
Resilience: Unit (Modulus of Resilience), kJ/m3 360
3420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 25
61
Strength to Weight: Bending, points 31
49
Thermal Shock Resistance, points 12
69

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.3
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
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0