use of a heat-resistant gussstahles for components of turbinengehu00e4usen

摘要

Heat resisting cast steel contains (wt.%) carbon (0.07-0.15), silicon (0.05-0.3), manganese (0.1-1) chromium (8-10), nickel (0.01-1), vanadium (0.1-0.3), niobium and tantalum (0.01 to 0.2), molybdenum (0.1-0.7), tungsten (1-2.5), cobalt (0.1-5), and nitrogen (0.03 to 0.07), and hafnium and/or neodymium (0.001-0.2), and balance being iron and incidental impurities.