American Society for Testing and Materials (ASTM). Current edition approved Sept. 1, 2006. Published September 2006. Originally approved in 1961. Last previous edition approved in 2002 as A 451/A 451M – 02. 4 p. This specification2 covers austenitic alloy steel pipe for use in high-temperature, corrosive, or nuclear pressure service.
Several grades of austenitic stainless steel are covered as indicated in Table 1.
Optional supplementary requirements are provided when additional testing may be required.