ASTM A 519 - 06 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

American Society for Testing and Materials (ASTM). Current edition approved Oct. 1, 2006. Published October 2006. 13 p. This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-
3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.