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EN 1.4518 Stainless Steel vs. Class 3 Tungsten

EN 1.4518 stainless steel belongs to the iron alloys classification, while class 3 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is class 3 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
270
Elongation at Break, % 34
3.4
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
100
Tensile Strength: Ultimate (UTS), MPa 490
830
Tensile Strength: Yield (Proof), MPa 210
580

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Specific Heat Capacity, J/kg-K 470
120
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 12
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.5

Otherwise Unclassified Properties

Density, g/cm3 7.9
15
Embodied Carbon, kg CO2/kg material 4.0
23
Embodied Energy, MJ/kg 55
360
Embodied Water, L/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
25
Resilience: Unit (Modulus of Resilience), kJ/m3 100
630
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 4.1
15
Thermal Shock Resistance, points 14
49

Alloy Composition


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Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 61.4 to 70
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
95
Residuals, % 0
5.0