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EN AC-45400 Aluminum vs. Grade 34 Titanium

EN AC-45400 aluminum belongs to the aluminum alloys classification, while grade 34 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-45400 aluminum and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 6.7
20
Fatigue Strength, MPa 55
310
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 260
510
Tensile Strength: Yield (Proof), MPa 130
450

Thermal Properties

Latent Heat of Fusion, J/g 470
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 630
1660
Melting Onset (Solidus), °C 560
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 95
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.8
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1100
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110
960
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 32
31
Thermal Diffusivity, mm2/s 54
8.4
Thermal Shock Resistance, points 12
39

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Copper (Cu), % 2.6 to 3.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0 to 0.3
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
98 to 99.52
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4