Patent · US Expired

Austenitic stainless steel having a very low nickel content

US6056917A · kind A · utility

21Cited by
1References
18Claims
0Family size

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Key dates

Filing dateJul 29, 1998
Grant dateMay 2, 2000
Priority date
Expiry dateJul 29, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C38/52
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Austenitic stainless steel having a very low nickel content, of the following composition by weight: PA1 Carbon<0.1% PA1 0.1%<silicon<1% PA1 5%<manganese<9% PA1 0.1%<nickel<2% PA1 13%<chromium<19% PA1 1%<copper<4% PA1 0.1%<nitrogen<0.40% PA1 5.times.10.sup.-4 %<boron<50.times.10.sup.-4 % PA1 phosphorus<0.05% PA1 sulfur<0.01%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.