A
AAR
Association of American Railroads
AGA
American Gas Association
AISI
American Iron & Steel Institute
ANSI
American National Standards Institute (formerly ASA)
API
American Petroleum Institute
ASME
American Society of Mechanical Engineers
ASTM
American Society for Testing and Materials
AWWA
American Water Works Association
B
BARE PIPE
Pipe without protective coating or galvanizing
BEVEL
Angular cut on pipe ends for welding
BILLET
Semi-finished steel shape used for pipe manufacturing
BLOOM
Large semi-finished steel form rolled from ingots