January 16, 2003
By: P.K. Saha
Of all the materials used for high-temperature steam piping, X20 (12 percent chromium, 1 percent molybdenum, 1/4 percent vanadium) and P91 (9 percent chromium, 1 percent molybdenum, 1/4 percent vanadium) stand out because of their very high creep rupture properties, even at elevated temperatures.
The only North American publication devoted to the metal tube and pipe industry industry and is a trusted source of information for professionals. Subscriptions are free to qualified tube and pipe professionals in North America.