Stainless steel and stainless steel superfu00eccie

摘要

"Superfu00eccie stainless steel and stainless steel.A stainless steel comprising at least 20 weight percent chromium and at least 1,0% by weight of manganese is adapted to support a sobrerrevestimento,Having a thickness of 1 to 10 microns of a spinel formula Mn ~ x ~ Cr ~ 3 - x ~ ~ 4 ~, in which X is 0.5 to 2.Preferably, the sobrerrevestimento is about cru00f3mia and has stability against chemical reaction temperature at least 25 198 C higher than for cru00f3mia not coated.