Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1990-06-11
1992-03-24
Roy, Upendra
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
148135, 148136, 420 56, C22C 3800
Patent
active
050986520
ABSTRACT:
The present invention provides non-magnetic stainless steel which is used as materials for small parts in precision machines and electronic equipment. The non-magnetic stainless steel consists of an iron-based alloy containing 9 to 22% by weight of nickel, 12 to 26% by weight of chromiun, the balance of iron and inevitable impurities. The martensitic area ratio of the iron-based alloy structure is not more than 20%. The stainless steel exhibits excellent workability and is suitable as a raw material for TV electron gun parts and small gears which are formed by strong working such as blanking or the like.
REFERENCES:
patent: 4141762 (1979-02-01), Yamaguchi et al.
patent: 4302247 (1981-11-01), Abe et al.
patent: 4371394 (1983-02-01), Henthorne et al.
patent: 4818484 (1989-04-01), DeBold et al.
Schumann, Archiv. Eisenhuttenwesen 41 (1970) 1169.
"On the Plasticity Induced by Martensitic Transformation in Fe-Ni Alloys and Fe-Cr-Ni Alloys", Tamura et al., Journal of the Japan Institute of Metals, vol. 33 (1969), 1983.
"Influence of Chemical Composition on Martensitic Transformation in Fe-CR-Ni Stainless Steel", Hirayama et al., Journal of the Japan Institute of Metals, vol. 34 (1970), 507.
"Influence of Martensitic Transformation and Chemical Composition on Mechanical Properties of Fe-Cr-Ni Stainless Steel", Hirayama et al., Journal of the Japan Institute of Metals, vol. 34 (1970), 511.
"Influence of Structure and Chemical Composition on Fatigue Strength of Cold Rolled Fe-Cr-Ni Stainless Steel", Hirayama et al., Journal of the Japan Institute of Metals, vol. 34 (1970), 892.
"Influence of Cold Reduction on Martenstic Transformation in Fe-Cr-Ni Stainless Steel": Hirayama et al., Journal of the Japan Institute of Metals, vol. 35 (1971), 447.
Nakashima Nobuaki
Sugai Shinzo
Watanabe Eiichi
Yasui Tsuyoshi
Kabushiki Kaisha Toshiba
Roy Upendra
LandOfFree
Precision parts of non-magnetic stainless steels does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Precision parts of non-magnetic stainless steels, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Precision parts of non-magnetic stainless steels will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2008515