Half Price Standard Code

Specification for High-Test Line Pipe, Second Edition, Includes Supplement 1 (1949)
standard by American Petroleum Institute, 05/01/1949

Rotary Drill Stem Elements
standard by American Petroleum Institute, 02/01/2023

Testing of Heavy Brines, Sixth Edition
standard by American Petroleum Institute, 01/01/2023

Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants
standard by American Petroleum Institute, 01/01/1997

Specification for High-Test Line Pipe, Fifteenth Edition
standard by American Petroleum Institute, 03/01/1968

Specification for High-Test Line Pipe, Eighth Edition, Includes Supplement 1 (1959)
standard by American Petroleum Institute, 03/01/1958

Drilling and Production Hoisting Equipment, Includes Addendum 1 (2001)
standard by American Petroleum Institute, 12/01/1997

Identification Markings for Dedicated Aviation Fuel Manufacturing and Distribution Facilities, Airport Storage and Mobile Fuelling Equipment
standard by American Petroleum Institute, 08/01/2002

Specification for High-Test Line Pipe, Twenty-fourth Edition
standard by American Petroleum Institute, 03/01/1982

Specification for High-Test Line Pipe, Twentieth Edition, Includes Supplement 1 (1976)
standard by American Petroleum Institute, 03/01/1975