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Class 1 Tungsten vs. EN 1.5638 Steel

Class 1 tungsten belongs to the otherwise unclassified metals classification, while EN 1.5638 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is class 1 tungsten and the bottom bar is EN 1.5638 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 250
190
Elongation at Break, % 5.7
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 98
73
Tensile Strength: Ultimate (UTS), MPa 860
580
Tensile Strength: Yield (Proof), MPa 580
410

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Specific Heat Capacity, J/kg-K 120
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 5.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
8.7

Otherwise Unclassified Properties

Density, g/cm3 15
7.9
Embodied Carbon, kg CO2/kg material 22
1.7
Embodied Energy, MJ/kg 340
23
Embodied Water, L/kg 140
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
120
Resilience: Unit (Modulus of Resilience), kJ/m3 660
450
Stiffness to Weight: Axial, points 9.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 14
20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 48
17

Alloy Composition

Carbon (C), % 0
0.060 to 0.12
Iron (Fe), % 0
94.4 to 96.4
Manganese (Mn), % 0
0.5 to 0.8
Nickel (Ni), % 0
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 90
0
Residuals, % 10
0