SCC of Carbon/Low-Alloy Steels in CO-H2O Environments
SCC of Carbon/Low-Alloy Steels in CO-H2O Environments
(OP)
Stress corrosion cracking of carbon and low alloy steels has been documented in certain mixed concentrations of CO-CO2-H2O. All of the literature I have reviewed has explained that all 3 of these components must be present. Does anyone know if there is any documentation where the mix is just CO and H2O, with no CO2?





RE: SCC of Carbon/Low-Alloy Steels in CO-H2O Environments
RE: SCC of Carbon/Low-Alloy Steels in CO-H2O Environments
http://www.airproducts.com/~/media/Files/PDF/compa...
I would contact the Compressed Gas Association and see what they have in the way of test data
http://www.cganet.com/
RE: SCC of Carbon/Low-Alloy Steels in CO-H2O Environments
btrueblood, the system in question is not exposed to oxygen or air. But I was wondering indeed if CO2 could form under a chemical reaction CO + H2O --->CO2 + H2. This would then provide the necessary carbon dioxide. However, the process happens under high pressure at ambient temperature and I have the impression I need higher temperatures to get some dissoulution of the carbon monoxide.