ASTM B 919 - 01 (Reapproved 2006) Standard Specification for Welded Copper Heat Exchanger Tubes With Internal Enhancement

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2006. Published November 2006. Originally approved in 2001. Last previous edition approved in 2001 as B 919 – 01. 7 p. This specification establishes the requirements for welded, internally enhanced copper tube, in straight lengths or coils, suitable for use in refrigeration and air conditioning products or other heat exchangers.