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392.0 Aluminum vs. Grade 27 Titanium

392.0 aluminum belongs to the aluminum alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 392.0 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
110
Elongation at Break, % 0.86
27
Fatigue Strength, MPa 190
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 290
270
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 670
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 670
1660
Melting Onset (Solidus), °C 580
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 19
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 90
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.5
4.5
Embodied Carbon, kg CO2/kg material 7.5
33
Embodied Energy, MJ/kg 140
530
Embodied Water, L/kg 950
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
70
Resilience: Unit (Modulus of Resilience), kJ/m3 490
240
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 56
35
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 39
21
Thermal Diffusivity, mm2/s 60
8.8
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.4 to 0.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.5
0 to 0.2
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 18 to 20
0
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
99 to 99.92
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4