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EN AC-46000 Aluminum vs. R56401 Titanium

EN AC-46000 aluminum belongs to the aluminum alloys classification, while R56401 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-46000 aluminum and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.0
9.1
Fatigue Strength, MPa 110
480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
40
Tensile Strength: Ultimate (UTS), MPa 270
940
Tensile Strength: Yield (Proof), MPa 160
850

Thermal Properties

Latent Heat of Fusion, J/g 530
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 620
1610
Melting Onset (Solidus), °C 530
1560
Specific Heat Capacity, J/kg-K 880
560
Thermal Conductivity, W/m-K 100
7.1
Thermal Expansion, µm/m-K 21
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
36
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.6
38
Embodied Energy, MJ/kg 140
610
Embodied Water, L/kg 1040
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
83
Resilience: Unit (Modulus of Resilience), kJ/m3 170
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 26
59
Strength to Weight: Bending, points 33
48
Thermal Diffusivity, mm2/s 42
2.9
Thermal Shock Resistance, points 12
67

Alloy Composition

Aluminum (Al), % 79.7 to 90
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 2.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 0 to 1.3
0 to 0.25
Lead (Pb), % 0 to 0.35
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.55
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 1.2
0
Residuals, % 0 to 0.25
0