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Class 3 Tungsten vs. EN 1.7357 Steel

Class 3 tungsten belongs to the otherwise unclassified metals classification, while EN 1.7357 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is EN 1.7357 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
190
Elongation at Break, % 3.4
23
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 100
73
Tensile Strength: Ultimate (UTS), MPa 830
590
Tensile Strength: Yield (Proof), MPa 580
360

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 30
41
Thermal Expansion, µm/m-K 4.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.5

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 23
1.6
Embodied Energy, MJ/kg 360
21
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
120
Resilience: Unit (Modulus of Resilience), kJ/m3 630
340
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 15
11
Thermal Shock Resistance, points 49
17

Alloy Composition

Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
1.0 to 1.5
Iron (Fe), % 0
96 to 97.9
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 95
0
Residuals, % 5.0
0