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Grade 6 Titanium vs. 295.0 Aluminum

Grade 6 titanium belongs to the titanium alloys classification, while 295.0 aluminum belongs to the aluminum 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 grade 6 titanium and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 11
2.0 to 7.2
Fatigue Strength, MPa 290
44 to 55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Shear Strength, MPa 530
180 to 230
Tensile Strength: Ultimate (UTS), MPa 890
230 to 280
Tensile Strength: Yield (Proof), MPa 840
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 310
170
Melting Completion (Liquidus), °C 1580
640
Melting Onset (Solidus), °C 1530
530
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 7.8
140
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 30
7.9
Embodied Energy, MJ/kg 480
150
Embodied Water, L/kg 190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
5.2 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
77 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 55
21 to 26
Strength to Weight: Bending, points 46
27 to 32
Thermal Diffusivity, mm2/s 3.2
54
Thermal Shock Resistance, points 65
9.8 to 12

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
91.4 to 95.3
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0
0 to 0.35
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0.7 to 1.5
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15