Half Price Standard Code

API Standard 613, Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services, Sixth Edition
standard by American Petroleum Institute, 07/01/2021

Addendum to Side-pocket Mandrels, Second Edition
Amendment by American Petroleum Institute, 10/01/2021

Safe Operation of Hydrofluoric Acid Alkylation Units, Fifth Edition
standard by American Petroleum Institute, 08/01/2021

Refractory Installation Quality Control-Inspection and Testing of Refractory Brick Systems and Materials, First Edition
standard by American Petroleum Institute, 11/01/2021

Recommended Practice for Measuring Conductivity of Proppants
standard by American Petroleum Institute, 11/01/2021

Metering Assemblies – Pipeline and Marine Loading/Unloading Measurement Systems, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 07/01/2021

In-line Inspection Systems Qualification Standard, Third Edition
standard by American Petroleum Institute, 09/01/2021

Pipeline Control Systems Cybersecurity, Third Edition, includes Errata (2021)
standard by American Petroleum Institute, 08/01/2021

Datasheets for use with Std 671, Fifth Edition
Data Sheet by American Petroleum Institute, 09/01/2021

Addendum to Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries, Second Edition
Amendment by American Petroleum Institute, 11/01/2021