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B443.0 Aluminum vs. Grade 27 Titanium

B443.0 aluminum belongs to the aluminum alloys classification, while grade 27 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 B443.0 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.9
27
Fatigue Strength, MPa 55
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 110
180
Tensile Strength: Ultimate (UTS), MPa 150
270
Tensile Strength: Yield (Proof), MPa 50
230

Thermal Properties

Latent Heat of Fusion, J/g 470
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 620
1660
Melting Onset (Solidus), °C 600
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 150
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 130
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.0
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
70
Resilience: Unit (Modulus of Resilience), kJ/m3 18
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
35
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 61
8.8
Thermal Shock Resistance, points 6.8
21

Alloy Composition

Aluminum (Al), % 91.9 to 95.5
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.15
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.2
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
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), % 4.5 to 6.0
0
Titanium (Ti), % 0 to 0.25
99 to 99.92
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.4