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EN 1.4587 Stainless Steel vs. Class 4 Tungsten

EN 1.4587 stainless steel belongs to the iron alloys classification, while class 4 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 1.4587 stainless steel and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
270
Elongation at Break, % 34
2.3
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
110
Tensile Strength: Ultimate (UTS), MPa 540
790
Tensile Strength: Yield (Proof), MPa 250
580

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Specific Heat Capacity, J/kg-K 470
130
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 15
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
17
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.7

Otherwise Unclassified Properties

Density, g/cm3 8.1
16
Embodied Carbon, kg CO2/kg material 6.3
24
Embodied Energy, MJ/kg 87
360
Embodied Water, L/kg 230
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
16
Resilience: Unit (Modulus of Resilience), kJ/m3 150
620
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 18
14
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 4.5
15
Thermal Shock Resistance, points 13
46

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 0
97
Residuals, % 0
3.0