Austenitic stainless steel especially for making wire
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United States of America Patent
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Sep 26, 2000
Grant Date -
N/A
app pub date -
Mar 17, 1999
filing date -
Mar 18, 1998
priority date (Note) -
Expired
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Abstract
Austenitic stainless steel for the production of wire, which can be used in the field of drawing wire down to diameters of less than 0.3 mm and in the field of producing components subjected to fatigue, characterized by the following composition by weight: 5.times.10.sup.-3 %.ltoreq.carbon.ltoreq.200.times.10.sup.-3 % 5.times.10.sup.-3 %.ltoreq.nitrogen.ltoreq.400.times.10.sup.-3 % 0.2%.ltoreq.manganese.ltoreq.10% 12%.ltoreq.chromium.ltoreq.23% 0.1%.ltoreq.nickel.ltoreq.17% 0.1%.ltoreq.silicon.ltoreq.2%, in which the residual elements are controlled so as to obtain inclusions of oxides in the form of a glassy mixture, the proportions by weight of which are as follows: 40%.ltoreq.SiO.sub.2 .ltoreq.60% 5%.ltoreq.MnO.ltoreq.50% 1%.ltoreq.CaO.ltoreq.30% 0%.ltoreq.MgO.ltoreq.4% 5%.ltoreq.Al.sub.2 O.sub.3 .ltoreq.25% 0%.ltoreq.Cr.sub.2 O.sub.3 .ltoreq.4% 0%.ltoreq.TiO.sub.2 .ltoreq.4%.
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