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EN 1.8550 Steel vs. Class 2 Tungsten

EN 1.8550 steel belongs to the iron 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 (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
260
Elongation at Break, % 11
5.7
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
100
Tensile Strength: Ultimate (UTS), MPa 1000
860
Tensile Strength: Yield (Proof), MPa 760
580

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Specific Heat Capacity, J/kg-K 480
120
Thermal Conductivity, W/m-K 40
20
Thermal Expansion, µm/m-K 13
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
7.8

Otherwise Unclassified Properties

Density, g/cm3 7.8
15
Embodied Carbon, kg CO2/kg material 1.7
23
Embodied Energy, MJ/kg 23
350
Embodied Water, L/kg 67
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
44
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
640
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 36
16
Strength to Weight: Bending, points 29
13
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 29
52

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0
Chromium (Cr), % 1.5 to 1.8
0
Iron (Fe), % 94.4 to 96.3
0
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5