AUSTENITIC STEEL OF THE CR-NI-MN GROUP

1,242,871. Austenitic steel. NIPPON KOKAN K. K. Nov. 11, 1968 [Nov. 10, 1967], No.53431/68. Heading C7A. An austenitic heat-resisting steel comprises: - C 0À03-0À3% Cr 15-21% Mn 4-12% Nb/Ta 0À001-0À5% Ni 4-15% Si 0À16-0À64% Ti 0À001-0À5% and optionally {B 0À0001 to 0À05% one or both of V 0À001 to 1%...

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Bibliographic Details
Main Authors MIMINO T,JA, MINEGISHI I,JA, KINOSHITA K,JA, SHINODA T,JA
Format Patent
LanguageEnglish
Published 05.03.1974
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:1,242,871. Austenitic steel. NIPPON KOKAN K. K. Nov. 11, 1968 [Nov. 10, 1967], No.53431/68. Heading C7A. An austenitic heat-resisting steel comprises: - C 0À03-0À3% Cr 15-21% Mn 4-12% Nb/Ta 0À001-0À5% Ni 4-15% Si 0À16-0À64% Ti 0À001-0À5% and optionally {B 0À0001 to 0À05% one or both of V 0À001 to 1% the balance, apart from impurities, being iron. The weight ratio of C to Ti+Nb+Ta is preferably more than 0À5. The steels may be used for super critical pressure boilers.
Bibliography:Application Number: USD3795509