Specification for qualification of welding procedures and welders for piping and tubing
By: prepared by AWS Committee on Piping and Tubing, under the direction of AWS Technical Activities Committee.
Contributors: American Welding Society. Technical Activities Committee.
Publisher: American Welding Society
Published: 1989
Place of publication: Miami, Fl
Language: eng
Number of pages: 65
Subjects: Pipe -- Welding.; Tubes -- Welding.; Welding operators -- Standards.
Notes: Reprint 1989. 1993.

"Approved by AWS Board of Directors, October 6, 1980."

Supercedes AWS D10.9-69.