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Class 2 Tungsten vs. EN 1.4841 Stainless Steel

Class 2 tungsten belongs to the otherwise unclassified metals classification, while EN 1.4841 stainless steel belongs to the iron alloys. 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 class 2 tungsten and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
200
Elongation at Break, % 5.7
32
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 100
78
Tensile Strength: Ultimate (UTS), MPa 860
650
Tensile Strength: Yield (Proof), MPa 580
260

Thermal Properties

Latent Heat of Fusion, J/g 160
330
Specific Heat Capacity, J/kg-K 120
490
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 4.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
2.2

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 23
4.3
Embodied Energy, MJ/kg 350
62
Embodied Water, L/kg 140
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
170
Resilience: Unit (Modulus of Resilience), kJ/m3 640
170
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 52
15

Alloy Composition

Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
24 to 26
Iron (Fe), % 0
47.1 to 55.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.5 to 2.5
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 92.5
0
Residuals, % 7.5
0