Stainless Steel 304

Cladding & Structural

Density: 7.94 g/cm³

Austenitic stainless steel widely used for reactor structural components, piping, and vessel internals.

Composition

Nuclide / Element	Fraction
Iron	0.691700
Chromium	0.190000
Nickel	0.092500
Manganese	0.020000
Silicon	0.005000
Carbon	0.000800

Code output

MCNP

c Stainless Steel 304
c Density: 7.94 g/cm3 (use -7.94 on cell card)
c Weight fractions (nominal composition)
m11   26000.80c -0.6917  $ Fe (balance)
      24000.80c -0.1900  $ Cr
      28000.80c -0.0925  $ Ni
      25055.80c -0.0200  $ Mn
      14000.80c -0.0050  $ Si
       6000.80c -0.0008  $ C

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