High-strength martensitic stainless steel having superior fatigu

Details High-strength martensitic stainless steel having superior fatigu High-strength martensitic stainless steel having superior fatigu

1992-01-14

1993-08-03

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148325, 148327, 148609, 420 69, C21D 800

Patent

active

052325202

ABSTRACT:
A high strength martensitic stainless steel having superior anti-fatigue characteristics when used in a corrosive or erosive environment. The steel has a proof strength of 80 to 110 kg/mm.sup.2 and a composition containing specified amounts of carbon, silicon, manganese, chromium, nickel, molybdenum, vanadium, and nitrogen, the balance being substantially iron and incidental inclusions. The contents of the additives are such that a nickel equivalent Nieq given by the following Formula (1) ranges between 10.5 and 12.9 wt. %:

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