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Class 2 Tungsten vs. AISI 304L Stainless Steel

Class 2 tungsten belongs to the otherwise unclassified metals classification, while AISI 304L stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
200
Elongation at Break, % 5.7
6.7 to 46
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 100
77
Tensile Strength: Ultimate (UTS), MPa 860
540 to 1160
Tensile Strength: Yield (Proof), MPa 580
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 160
290
Specific Heat Capacity, J/kg-K 120
480
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 4.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
2.7

Otherwise Unclassified Properties

Density, g/cm3 15
7.8
Embodied Carbon, kg CO2/kg material 23
3.1
Embodied Energy, MJ/kg 350
44
Embodied Water, L/kg 140
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 640
92 to 1900
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 16
19 to 41
Strength to Weight: Bending, points 13
19 to 31
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 52
12 to 25

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Iron (Fe), % 0
65 to 74
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 92.5
0
Residuals, % 7.5
0