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355.0 Aluminum vs. Grade 30 Titanium

355.0 aluminum belongs to the aluminum alloys classification, while grade 30 titanium belongs to the titanium alloys. There are 29 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 355.0 aluminum and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

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
41
Shear Strength, MPa 150 to 240
240
Tensile Strength: Ultimate (UTS), MPa 200 to 260
390
Tensile Strength: Yield (Proof), MPa 150 to 190
350

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
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38 to 43
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120 to 140
6.9

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.0
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1120
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.9
86
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 20 to 27
24
Strength to Weight: Bending, points 28 to 33
26
Thermal Diffusivity, mm2/s 60 to 69
8.6
Thermal Shock Resistance, points 9.1 to 12
30

Alloy Composition

Aluminum (Al), % 90.3 to 94.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
0
Cobalt (Co), % 0
0.2 to 0.8
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
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 4.5 to 5.5
0
Titanium (Ti), % 0 to 0.25
98 to 99.76
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0
0 to 0.4