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Titanium 6-6-2 vs. Class 2 Tungsten

Titanium 6-6-2 belongs to the titanium alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is titanium 6-6-2 and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
260
Elongation at Break, % 6.7 to 9.0
5.7
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 44
100
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
860
Tensile Strength: Yield (Proof), MPa 1040 to 1230
580

Thermal Properties

Latent Heat of Fusion, J/g 400
160
Specific Heat Capacity, J/kg-K 540
120
Thermal Conductivity, W/m-K 5.5
20
Thermal Expansion, µm/m-K 9.4
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
7.8

Otherwise Unclassified Properties

Density, g/cm3 4.8
15
Embodied Carbon, kg CO2/kg material 29
23
Embodied Energy, MJ/kg 470
350
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
44
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 34
14
Strength to Weight: Axial, points 66 to 79
16
Strength to Weight: Bending, points 50 to 57
13
Thermal Diffusivity, mm2/s 2.1
11
Thermal Shock Resistance, points 75 to 90
52

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0
Molybdenum (Mo), % 5.0 to 6.0
0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5