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355.0 Aluminum vs. Grade 2 Titanium

355.0 aluminum belongs to the aluminum alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 31 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 355.0 aluminum and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 72 to 83
150
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 1.5 to 2.6
23
Fatigue Strength, MPa 55 to 70
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
38
Shear Strength, MPa 150 to 240
270
Tensile Strength: Ultimate (UTS), MPa 200 to 260
420
Tensile Strength: Yield (Proof), MPa 150 to 190
360

Thermal Properties

Latent Heat of Fusion, J/g 470
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 620
1660
Melting Onset (Solidus), °C 560
1610
Specific Heat Capacity, J/kg-K 890
540
Thermal Conductivity, W/m-K 150 to 170
22
Thermal Expansion, µm/m-K 22
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38 to 43
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120 to 140
7.2

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
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1120
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.9
92
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 20 to 27
26
Strength to Weight: Bending, points 28 to 33
28
Thermal Diffusivity, mm2/s 60 to 69
8.9
Thermal Shock Resistance, points 9.1 to 12
32

Alloy Composition

Aluminum (Al), % 90.3 to 94.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 1.0 to 1.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0 to 0.3
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 4.5 to 5.5
0
Titanium (Ti), % 0 to 0.25
98.9 to 100
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.4