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Class 1 Tungsten vs. EN 1.7366 Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while EN 1.7366 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is class 1 tungsten and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
190
Elongation at Break, % 5.7
17 to 19
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 98
74
Tensile Strength: Ultimate (UTS), MPa 860
460 to 710
Tensile Strength: Yield (Proof), MPa 580
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 5.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
9.3

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 22
1.7
Embodied Energy, MJ/kg 340
23
Embodied Water, L/kg 140
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 660
140 to 600
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 16
16 to 25
Strength to Weight: Bending, points 14
17 to 23
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 48
13 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Iron (Fe), % 0
91.9 to 95.3
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 90
0
Residuals, % 10
0