ASTM A 498 - 06 Standard Specification for Seamless and Welded Carbon Steel Heat-Exchanger Tubes with Integral Fins

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2006. Published October 2006. Originally approved in 1963. Last previous edition approved in 2004 as A 498 – 04. 3 p. This specification covers external helical, integral
finned, seamless or welded low-carbon steel tubes for use in tubular heat exchangers, surface condensers, evaporators, superheaters, and similar heat-transfer apparatus in unfinned end diameters up to 2 in. (50.8 mm), inclusive.