American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2005. Published November 2005. Originally approved in 1965. Last previous edition approved in 2001 as A 524 – 96 (2001). 8 p. This specification covers seamless carbon steel pipe intended primarily for service at atmospheric and lower temperatures, NPS 1⁄8 to 26 inclusive, with nominal (average) wall thickness as given in ANSI B
36.10. Pipe having other dimensions may be furnished, provided such pipe complies with all other requirements of this specification. Pipe ordered to this specification shall be suitable both for welding, and for bending, flanging, and similar forming operations.