Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1994-05-27
1996-01-02
Yee, Deborah
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
420 46, 420 47, 4205861, 4205841, C22C 3844, C22C 3842, C22C 3000
Patent
active
054806097
ABSTRACT:
The steel contains, in proportions by weight, from 20 to 30% of chromium, from 25 to 32% of nickel, from 3 to 7% of molybdenum, from 0.35 to 0.8% of nitrogen, from 0.5 to 5.4% of manganese, up to 0.06% of carbon and up to 1% of silicon. Because of its multifariousness of corrosion resistance the steel can be employed in particular for the manufacture of equipment for removing pollutants from fumes, of equipment for the paper pulp industry, for the chemical industry or for petroleum exploitation, for seawater plants and for the manufacture of tankers for transporting corrosive products. The steel has a very high structural stability.
REFERENCES:
patent: 4302247 (1981-11-01), Abe et al.
patent: 4765957 (1988-08-01), Culling
Dupoiron Francois
Gagnepain Jean-Christophe
Verneau Michel
Creusot-Loire Industrie
Yee Deborah
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