A study was made of corrosion products formed in steam condensate on the following metals: Carbon steel, cast iron, Admiralty metal, Muntz metal, Aluminum 3S and zinc. The pH of condensate ranged from 5.1 to 9.6 and the test temperatures were 100 F and 212 F. Magnetite was the principal corrosion product formed on carbon steel and cast iron at test conditions. Cuprite was the main corrosion product formed on Admiralty and Muntz metals at both temperatures when the pH was six or less. Metallic zinc corroded to form ZnO over the pH range 5.1-9.6. 3.4.3., 4.6.2
Subject
Water,
Composition,
Admiralty brass,
Oxide formation,
Metal coupons,
Condensates,
Corrosion products,
Zinc oxide,
Metals,
Boilers,
Gases,
Zinc,
Steam
© 1961 National Association of Corrosion Engineers
1961
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