Alumina-forming austenitic (AFA) stainless steels exhibit a unique combination of high temperature creep strength and corrosion resistance. By forming a protective alumina scale, AFA steels exhibit significantly better corrosion resistance than conventional, chromia-forming stainless steels and even Ni-base alloys. To illustrate the oxidation resistance of AFA steel, laboratory exposures are presented in several environments at 550°-900°C including (1) wet air to simulate exhaust gas for thin-walled heat exchangers, (2) steam for power generation applications and (3) high C activities with and without water vapor at 1-16 bar (100-1600 kPa)for the chemical process industry. Oxidation rates for AFA were compared to conventional candidate alloys as well as other Fe- and Ni-base alumina-forming alloys. The reaction products on AFA steel have been characterized using a range of low- to high-resolution analytical techniques.
Skip Nav Destination
Oxidation Behavior of Alumina-Forming Austenitic Steel
Kinga A. Unocic;
Kinga A. Unocic
Oak Ridge National Laboratory
Search for other works by this author on:
Michael P. Brady;
Michael P. Brady
Oak Ridge National Laboratory
Search for other works by this author on:
Bruce A. Pint;
Bruce A. Pint
Oak Ridge National Laboratory
Search for other works by this author on:
Aurélie Rouaix-Vande Put
Aurélie Rouaix-Vande Put
CIRIMAT-ENSIACET
Search for other works by this author on:
Paper presented at the CORROSION 2013, Orlando, Florida, March 2013.
Paper Number:
NACE-2013-2172
Published:
March 17 2013
Citation
Unocic, Kinga A., Brady, Michael P., Pint, Bruce A., and Aurélie Rouaix-Vande Put. "Oxidation Behavior of Alumina-Forming Austenitic Steel." Paper presented at the CORROSION 2013, Orlando, Florida, March 2013.
Download citation file:
Sign in
Don't already have an account? Register
Personal Account
You could not be signed in. Please check your username and password and try again.
Could not validate captcha. Please try again.
Pay-Per-View Access
$20.00
Advertisement
15
Views
Advertisement
Suggested Reading
Advertisement