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Class 1 Tungsten vs. EN 1.5511 Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while EN 1.5511 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is class 1 tungsten and the bottom bar is EN 1.5511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 98
72
Tensile Strength: Ultimate (UTS), MPa 860
490 to 580

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 5.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
8.1

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 22
1.4
Embodied Energy, MJ/kg 340
19
Embodied Water, L/kg 140
46

Common Calculations

Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
17 to 20
Strength to Weight: Bending, points 14
18 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 48
15 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.32 to 0.39
Iron (Fe), % 0
98.3 to 99.159
Manganese (Mn), % 0
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 90
0
Residuals, % 10
0