Stainless 431 offers the best corrosion
resistance of the conventional martensitic stainless grades. Stainless
431 has the best corrosion resistance to marine atmospheres, also
resists attack by many petroleum products and organic materials, and
several acidic environments.
Available forms are seamless pipe, welded pipe,
seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe
fittings and flanges.