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Grade 6 Titanium vs. EN AC-46000 Aluminum

Grade 6 titanium belongs to the titanium alloys classification, while EN AC-46000 aluminum belongs to the aluminum alloys. There are 29 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 EN AC-46000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
73
Elongation at Break, % 11
1.0
Fatigue Strength, MPa 290
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
28
Tensile Strength: Ultimate (UTS), MPa 890
270
Tensile Strength: Yield (Proof), MPa 840
160

Thermal Properties

Latent Heat of Fusion, J/g 410
530
Maximum Temperature: Mechanical, °C 310
180
Melting Completion (Liquidus), °C 1580
620
Melting Onset (Solidus), °C 1530
530
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 7.8
100
Thermal Expansion, µm/m-K 9.4
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
82

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 30
7.6
Embodied Energy, MJ/kg 480
140
Embodied Water, L/kg 190
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 55
26
Strength to Weight: Bending, points 46
33
Thermal Diffusivity, mm2/s 3.2
42
Thermal Shock Resistance, points 65
12

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
79.7 to 90
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
2.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.55
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
8.0 to 11
Tin (Sn), % 2.0 to 3.0
0 to 0.15
Titanium (Ti), % 89.8 to 94
0 to 0.25
Zinc (Zn), % 0
0 to 1.2
Residuals, % 0 to 0.4
0 to 0.25