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Class 2 Tungsten vs. S28200 Stainless Steel

Class 2 tungsten belongs to the otherwise unclassified metals classification, while S28200 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
200
Elongation at Break, % 5.7
45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 100
77
Tensile Strength: Ultimate (UTS), MPa 860
870
Tensile Strength: Yield (Proof), MPa 580
460

Thermal Properties

Latent Heat of Fusion, J/g 160
290
Specific Heat Capacity, J/kg-K 120
480
Thermal Expansion, µm/m-K 4.6
18

Otherwise Unclassified Properties

Density, g/cm3 15
7.6
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 350
41
Embodied Water, L/kg 140
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
330
Resilience: Unit (Modulus of Resilience), kJ/m3 640
540
Stiffness to Weight: Axial, points 9.6
15
Stiffness to Weight: Bending, points 14
26
Strength to Weight: Axial, points 16
32
Strength to Weight: Bending, points 13
27
Thermal Shock Resistance, points 52
17

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 0
57.7 to 64.1
Manganese (Mn), % 0
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 92.5
0
Residuals, % 7.5
0