American Society for Testing and Materials (ASTM). Current edition approved March 15, 2008. Published March 2008. Originally approved in 1941. Last previous edition approved in 2004 as B 163 – 04. 12 p. This specification covers seamless tubes of nickel and nickel alloys, as shown in Table 1, for use in condenser and heat-exchanger service.
This specification covers outside diameter and average wall, or outside diameter and minimum wall tube.