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EN AC-45400 Aluminum vs. Grade 3 Titanium

EN AC-45400 aluminum belongs to the aluminum alloys classification, while grade 3 titanium belongs to the titanium alloys. There are 30 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 3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
170
Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 6.7
21
Fatigue Strength, MPa 55
300
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 260
510
Tensile Strength: Yield (Proof), MPa 130
440

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
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 95
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.8
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1100
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110
910
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 32
32
Thermal Diffusivity, mm2/s 54
8.6
Thermal Shock Resistance, points 12
37

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
0
Carbon (C), % 0
0 to 0.080
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
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
98.8 to 100
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4