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.
Patent No.:
Date of Patent:
Aug. 31, 1982
Filed:
Jan. 07, 1981
Applicant:
Inventors:
Minoru Yanagida, Ohbu, JP;
Tomio Kono, Nagoya, JP;
Assignee:
Daido Tokushuko K.K., Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75124 ; 75125 ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7512 / ;
Abstract
In austenitic free-cutting stainless steel containing lead, decrease of hot workability caused by the addition of lead can be dissolved by adding a specific amount of boron. Thus, there is obtained an austenitic free-cutting stainless steel with improved machinability, corrosion resistance and hot workability of which are maintained at the level of conventional austenitic stainless steel.