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Class 3 Tungsten vs. EN 1.4823 Stainless Steel

Class 3 tungsten belongs to the otherwise unclassified metals classification, while EN 1.4823 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is class 3 tungsten and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
200
Elongation at Break, % 3.4
3.4
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 100
79
Tensile Strength: Ultimate (UTS), MPa 830
620
Tensile Strength: Yield (Proof), MPa 580
290

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Specific Heat Capacity, J/kg-K 120
490
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 4.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Density, g/cm3 15
7.6
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 360
43
Embodied Water, L/kg 150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
17
Resilience: Unit (Modulus of Resilience), kJ/m3 630
200
Stiffness to Weight: Axial, points 9.6
15
Stiffness to Weight: Bending, points 14
26
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 15
4.5
Thermal Shock Resistance, points 49
17

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
25 to 28
Iron (Fe), % 0
60.9 to 70.7
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.0 to 6.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 95
0
Residuals, % 5.0
0