Research Status and Development Trend of High-aluminum Austenitic Stainless Steel

High-aluminum austenitic stainless steel is a new type of stainless steel which can acquire the excellent oxidation resistance by forming Al2O3scale in austenitic stainless steel.The current research status of high-aluminum austenitic stainless steel at home and abroad is analyzed through composition design of alloys,effect of aluminum on oxidation resistance,creep resistance and tensile property of austenitic stainless steel.And the Mn generated Ni high aluminum austenitic stainless steel is introduced.At last the trend in development of high-aluminum austenitic stainless steel is prospected.