Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1988-07-08
1990-03-27
Yee, Deborah
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
420 35, 420 60, 420 45, C22C 3842
Patent
active
049118838
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.
REFERENCES:
patent: 3282684 (1966-11-01), Allen
patent: 4530720 (1985-07-01), Moroishi et al.
Honkura Yoshinobu
Kumagai Kenichi
Matsuo Toru
Murata Kouji
Aichi Steel Work, Ltd.
Yee Deborah
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