Specification for qualification of welding procedures and welders for pipe and tubing, AWS standard B2.1.
Contributors: American Welding Society.; Piping Industry Progress & Education. Labor-Management Cooperation Committee.
Publisher: Piping Industry Progress and Education Trust Fund
Published: 1985
Place of publication: Los Angeles, Calif
Language: eng
Number of pages: 64
Subjects: Pipe -- Welding -- Specifications -- United States.
Notes: On logo on t.p.: Piping Industry Progress & Education, Labor-Management Cooperation Committee.