Electric Power Research Institute Incorporated

J Lawrence Nelson

Friedrich Garzarolli

Peter Dewes

Dietrich Alter

Roland Hahn

Manufacturing of materials and workpieces for components in nuclear

A method of producing austenite steel for use in the radiation zone of a nuclear reactor. The method comprising the steps of forming the austenite steel with about 17% by weight chromium, about 9 to 11.5% by weight nickel, about 0.04% by weight carbon, and iron impurities whose content of silicon is about 0.1% by weight and whose total content of sulfur and phosphorous is less than 0.03% by weight; and exposing the austenite steel to a temperature treatment at a temperature less than 1150 .degree. C. to produce a fine grain lattice with grain diameter features under approximately 20 .mu.m.

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Cupertino, CA, United States of America

J Lawrence Nelson