Patent · US Expired

High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance

US5286442A · kind A · utility

11Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1992
Grant dateFeb 15, 1994
Priority date
Expiry dateMar 17, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A ferric stainless steel consists by weight of less than 0.03% carbon, less than 1% silicon, less than 1% manganese, less than 0.04% phosphorus, less than 0.03% sulphur, from 15% to 25% chromium, less than 0.03% nitrogen, from 3% to 6% aluminum, from 0.1% to 4% molybdenum. A small amount of rare-earth elements and yttrium of from 0.01% to 0.15% are added in the steel.

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