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Cold working stainless steel
   
Document Number
US Patent 4911883
Issued Date
March 27, 1990
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Abstract
Stainless steels possessing a superior cold workability and hot workability, which are yet economical. The stainless steels comprise not more than 0.04% carbon, not more than 0.60% silicon, 2.2-3.8% manganese, 2.5-4.0% copper, 6-8% nickel, 17-19% chromium, and the remainder being iron together with impurities. And, not more than 0.002% sulfur is decreased to provide stainless steels which possess superior corrosion resistance, and not more than 0.010% nitrogen are decreased in the stainless steels as required.
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Cold working stainless steel - US Patent 4911883 Drawing
Drawing from US Patent 4911883
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Number of Claims:
6
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Owner
Published
March 27, 1990
Application Number
07/216,530
Filed
July 8, 1988
US Classification
420/58   420/35 420/45 420/60
Int'l Classification
C22C   38/42   (20060101)   C22C   38/58   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
RELATED APPLICATION This application is a continuation of Ser. No. 004,602, filed 12/9/86, which is a continuation of Ser. No. 737,403, filed May 24, 1985, both now abandoned.
Priority Data
May 31, 1984 [JP] 59-112656
USPTO Field of Search
420/58   420/45   420/60   420/35   148/327   148/12F  
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