Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Patent
1991-05-20
1992-09-15
Yee, Deborah
Alloys or metallic compositions
Ferrous
Nine percent or more chromium containing
420 54, 4205841, C22C 3840, C22C 3000
Patent
active
051476029
ABSTRACT:
A high-chromium stainless steel alloy having improved resistance to stress corrosion cracking in high temperature water is comprised of, in weight percent; about 22 to 32 percent chromium, about 16 to 40 percent nickel, up to about 10 percent manganese, up to about 0.06 percent carbon, and the balance substantially iron. A preferred high-chromium alloy is further comprised of about 2 to 9 weight percent of a metal from the group consisting of titanium, niobium, tantalum, and mixtures thereof. Another preferred high-chromium alloy is further comprised of a platinum group metal in an effective amount to reduce the corrosion potential of the alloy in high-temperature water provided with hydrogen.
REFERENCES:
patent: 2661284 (1953-12-01), Nisbet
patent: 4384891 (1983-05-01), Barnabe
patent: 4836976 (1989-06-01), Jacobs
patent: 4842811 (1989-06-01), Desilva
"Hydrogen Water Chemistry Technology for BWRs", J. N. Kass, R. L. Cowan, Proceedings of the Second International Symposium on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors, American Nuclear Society, 1986, pp. 211-217.
"Water Chemistry of Nuclear Power Plants", W. T. Lindsey, Jr., Proceedings of the Second International Symposium on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors, American Nuclear Society, 1986, pp. 203-210.
"Platinum Metals in Stainless Steels", I. R. McGill, Platinum Metals Review, 1990, vol. 34 (2), pp. 85-97.
"Alloying Stainless Steels with the Platinum Metals", M. A. Streicher, Platinum Metals Review, 1977, vol. 21, pp. 51-55.
"Development of Pitting Resistant Fe-Cr-Mo Alloys", M. S. Streicher, Corrosion-Nace, vol. 30, No. 3, Mar., 1974, pp. 77-91.
"Increasing the Passivation Ability and Corrosion Resistance of Chromium Steel by Surface Alloying with Palladium", G. P. Chernova, T. A. Fedoseeva, L. P. Kornienko, N. D. Tomashov, Surface Technology, vol. 13, 1981, pp. 241-256.
"Increasing the Passivability and Corrosion Resistance of Stainless Steels by Surface Alloying with Palladium", Chernova, G. P. et al., Plenum Publishing Corporation, UDC 620.197.3 (1982) pp. 406-411.
"Protective Coatings for Radiation Control in Boiling Water Nuclear Power Reactors", T. V. Rao, R. W. Vook, W. Meyre, and C. Wittwer, J. Vac. Sci. Technol. A 5 (4) (Jul./Aug. 1987) pp. 2701-2705.
"Palladium Impedes Radionuclide Pick-Up in Steel", Platinum Metals Rev 33[4] (1989) p. 185.
"Thin Films to Impede the Incorporation of Radionuclides in Austenitic Stainless Steels", H. Ocken et al., Elsevier Sequoia, printed in The Netherlands (1989) pp. 323-334.
Andresen Peter L.
Niedrach Leonard W.
Davis Jr. James C.
General Electric Company
Magee Jr. James
McGinness James F.
Yee Deborah
LandOfFree
Corrosion resistant high chromium stainless steel alloy does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Corrosion resistant high chromium stainless steel alloy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Corrosion resistant high chromium stainless steel alloy will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-734687