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Annealing study of stainless steel to conserve critical metals.
Visnapuu-A; Volosin-JS; Schluter-RB
Rolla, MO: U.S. Department of the Interior, Bureau of Mines, RI 9491, 1994 Jan; :1-12
The U.S. Bureau of Mines (USBM) investigated the oxidation of 304 stainless steel (SS) during annealing in simulated combustion products from several air-methane fuel ratios. Atmospheres representing air-CH4 ratios of 14:1 and 18:1 contained free O2, while the atmosphere representing 10:1 air-CH4 ratio did not. A Cr2O3 layer formed on SS samples annealed in the atmospheres containing free oxygen, while a Cr-Fe spinel layer formed in the atmosphere with no free oxygen.
Strategic-materials; Chromium; Tests; Nickel; Conservation; Stainless-steel-304; Annealing; Oxidation; Critical-materials
Report of Investigations
NTIS Accession No.
Rolla, MO: U.S. Department of the Interior, Bureau of Mines, RI 9491
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division