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AWS ERTi-5 vs. Class 2 Tungsten

AWS ERTi-5 belongs to the titanium alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 AWS ERTi-5 and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
260
Elongation at Break, % 10
5.7
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
100
Tensile Strength: Ultimate (UTS), MPa 900
860
Tensile Strength: Yield (Proof), MPa 830
580

Thermal Properties

Latent Heat of Fusion, J/g 410
160
Specific Heat Capacity, J/kg-K 560
120
Thermal Conductivity, W/m-K 7.1
20
Thermal Expansion, µm/m-K 9.6
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.8

Otherwise Unclassified Properties

Density, g/cm3 4.4
15
Embodied Carbon, kg CO2/kg material 38
23
Embodied Energy, MJ/kg 610
350
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
44
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
640
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 35
14
Strength to Weight: Axial, points 56
16
Strength to Weight: Bending, points 46
13
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 63
52

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Titanium (Ti), % 88.2 to 90.9
0
Tungsten (W), % 0
92.5
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
7.5