The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 28, 1978

Filed:

Aug. 02, 1976
Applicant:
Inventors:

Masao Izumiyama, Zushi, JP;

Naohiko Kagawa, Yokohama, JP;

Kenji Satoh, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148 38 ; 7512 / ; 7512 / ; 7512 / ; 148 37 ;
Abstract

A stainless cast alloy steel suitable for ground joint portions, airtight portions, sliding portions, etc., used at low temperatures comprising: from about 0.03 to about 0.15% by weight of C; up to about 2% by weight of Si; up to about 2% by weight of Mn; from about 18 to about 26% by weight of Cr; from about 5 to about 13% by weight of Ni, the remainder being Fe and unavoidable trace impurities; wherein a ferrite phase is present in an amount of from about 10 to about 40% by volume, based on the volume of the stainless cast alloy steel.


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