ASTM A 789/A 789M - 05b Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

American Society for Testing and Materials (ASTM). Current edition approved September 1, 2005. Published September 2005. Originally approved in 1981. Last previous edition approved in 2005 as A 789/A 789M–05a. 5 p. This specification covers grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.