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EN AC-48000 Aluminum vs. Grade 9 Titanium

EN AC-48000 aluminum belongs to the aluminum alloys classification, while grade 9 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-48000 aluminum and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.0
11 to 17
Fatigue Strength, MPa 85 to 86
330 to 480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
40
Tensile Strength: Ultimate (UTS), MPa 220 to 310
700 to 960
Tensile Strength: Yield (Proof), MPa 210 to 270
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 570
410
Maximum Temperature: Mechanical, °C 190
330
Melting Completion (Liquidus), °C 600
1640
Melting Onset (Solidus), °C 560
1590
Specific Heat Capacity, J/kg-K 890
550
Thermal Conductivity, W/m-K 130
8.1
Thermal Expansion, µm/m-K 21
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 7.9
36
Embodied Energy, MJ/kg 140
580
Embodied Water, L/kg 1030
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 3.0
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 510
1380 to 3220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 23 to 33
43 to 60
Strength to Weight: Bending, points 31 to 39
39 to 48
Thermal Diffusivity, mm2/s 54
3.3
Thermal Shock Resistance, points 10 to 15
52 to 71

Alloy Composition

Aluminum (Al), % 80.4 to 87.2
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.8 to 1.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 0.8 to 1.5
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0.7 to 1.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 10.5 to 13.5
0
Titanium (Ti), % 0 to 0.25
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.4