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:
Aug. 12, 1980

Filed:

Jan. 26, 1979
Applicant:
Inventor:

Albert G Hartline, III, Brackenridge, PA (US);

Assignee:

Allegheny Ludlum Steel Corporation, Pittsburgh, PA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148-2 ; 148 / ; 148 124 ; 148 14 ;
Abstract

A substantially non-porous, sulfuric acid resistant austenitic stainless steel and a method for making it are disclosed. The steel includes from 15-45% manganese, from 10-30% chromium, from 1-3% copper, from 0.85-3% nitrogen, from 0-2% silicon, from 0-1% carbon, and the balance iron and residuals. In addition to containing the foregoing elements within the above-noted composition ranges, the alloys must be such that: ##EQU1## The steels are cast and worked to avoid a dwell period in the temperature range 1000-1600.degree. F.


Find Patent Forward Citations

Hartline, III, Albert. (1980). Corrosion resistant austenitic steel (U.S. Patent No. 4217150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4217150

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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