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EN 1.4557 Stainless Steel vs. Class 2 Tungsten

EN 1.4557 stainless steel belongs to the iron alloys classification, while class 2 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 1.4557 stainless steel and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
260
Elongation at Break, % 40
5.7
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
100
Tensile Strength: Ultimate (UTS), MPa 560
860
Tensile Strength: Yield (Proof), MPa 300
580

Thermal Properties

Latent Heat of Fusion, J/g 300
160
Specific Heat Capacity, J/kg-K 460
120
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 17
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
7.8

Otherwise Unclassified Properties

Density, g/cm3 8.0
15
Embodied Carbon, kg CO2/kg material 5.6
23
Embodied Energy, MJ/kg 76
350
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
44
Resilience: Unit (Modulus of Resilience), kJ/m3 210
640
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 19
13
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 12
52

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5