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EN AC-48000 Aluminum vs. Grade 25 Titanium

EN AC-48000 aluminum belongs to the aluminum alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 28 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-48000 aluminum and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.0
11
Fatigue Strength, MPa 85 to 86
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
40
Tensile Strength: Ultimate (UTS), MPa 220 to 310
1000
Tensile Strength: Yield (Proof), MPa 210 to 270
940

Thermal Properties

Latent Heat of Fusion, J/g 570
410
Maximum Temperature: Mechanical, °C 190
340
Melting Completion (Liquidus), °C 600
1610
Melting Onset (Solidus), °C 560
1560
Specific Heat Capacity, J/kg-K 890
560
Thermal Conductivity, W/m-K 130
7.1
Thermal Expansion, µm/m-K 21
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 7.9
43
Embodied Energy, MJ/kg 140
700
Embodied Water, L/kg 1030
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 3.0
110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 510
4220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 23 to 33
62
Strength to Weight: Bending, points 31 to 39
50
Thermal Diffusivity, mm2/s 54
2.8
Thermal Shock Resistance, points 10 to 15
71

Alloy Composition

Aluminum (Al), % 80.4 to 87.2
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.8 to 1.5
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.7
0 to 0.4
Magnesium (Mg), % 0.8 to 1.5
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0.7 to 1.3
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 10.5 to 13.5
0
Titanium (Ti), % 0 to 0.25
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.4