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Class 4 Tungsten vs. EN 1.4110 Stainless Steel

Class 4 tungsten belongs to the otherwise unclassified metals classification, while EN 1.4110 stainless 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is class 4 tungsten and the bottom bar is EN 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
190
Elongation at Break, % 2.3
11 to 14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 110
76
Tensile Strength: Ultimate (UTS), MPa 790
770 to 1720
Tensile Strength: Yield (Proof), MPa 580
430 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 4.5
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.2

Otherwise Unclassified Properties

Density, g/cm3 16
7.7
Embodied Carbon, kg CO2/kg material 24
2.3
Embodied Energy, MJ/kg 360
33
Embodied Water, L/kg 150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
90 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 620
480 to 4550
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 14
28 to 62
Strength to Weight: Bending, points 12
24 to 41
Thermal Diffusivity, mm2/s 15
8.1
Thermal Shock Resistance, points 46
27 to 60

Alloy Composition

Carbon (C), % 0
0.48 to 0.6
Chromium (Cr), % 0
13 to 15
Iron (Fe), % 0
81.4 to 86
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 97
0
Vanadium (V), % 0
0 to 0.15
Residuals, % 3.0
0