4.000 (4 inch) x 12 inches, Nitronic 50 Stainless Steel Round Rod, Cold Finished

431 stainless steel is a martensitic stainless steel that has excellent corrosion resistance for a 400 series stainless and can be heat treated to high strength levels. This grade is often used for fittings and boltings requiring high yield strength. The excellent corrosion resistance also makes it widely used in the marine industry.