JPH05311347

PURPOSE:To improve the pitting corrosion resistance of a blade material by incorporating specified amounts of C, Ni, Cr, Nb, N, Mn, S, Al, Si and Mo therein. CONSTITUTION:In 12Cr martensitic stainless steel constituted of, by weight, 0.1 to 0.15% C, 1 to 2.5% Ni, 11 to 13% Cr, 0.03 to 0.15% Nb, and...

Full description

Saved in:
Bibliographic Details
Main Authors YAMADA MASAYUKI, SHIKAME HIROMASA, INAGAKI SHUICHI
Format Patent
LanguageEnglish
Published 22.11.1993
Edition5
Subjects
ALLOYS
BLASTING
CHEMISTRY
ENGINE PLANTS IN GENERAL
FERROUS OR NON-FERROUS ALLOYS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
Online AccessGet full text

Cover

More Information
Summary:PURPOSE:To improve the pitting corrosion resistance of a blade material by incorporating specified amounts of C, Ni, Cr, Nb, N, Mn, S, Al, Si and Mo therein. CONSTITUTION:In 12Cr martensitic stainless steel constituted of, by weight, 0.1 to 0.15% C, 1 to 2.5% Ni, 11 to 13% Cr, 0.03 to 0.15% Nb, and 0.02 to 0.08% N with inevitable impurity elements, its compsn. is formed of a one contg. <=0.1% Mn, <=0.003% S, <=0.003% Al, <=0.1% Si, and 0.7 to 1.5% Mo. At the time of reducing the content of Al, Si, Mn and S which are alloy elements forming non-metallic elements in the steel and reducing Al2O3 and MnS, according to the degree of reduction, the generating source of pitting corrosion is reduced to improve its pitting corrosion resistance. Mo improves its resistance to pitting corrosion.
Bibliography:Application Number: JP19920140910