Latest Versions of the following standards

B31.1 - Power Piping

B31.2 - Fuel Gas Piping

B31.3 - Process Piping

B31.5 - Refrigeration Piping and Heat Transfer Components

B31.8S - Managing System Integrity of Gas Pipelines

B31.9 - Building Services Piping

B31.11 - Slurry Transportation Piping Systems

B31G - Manual for Determining Remaining Strength of Corroded Pipelines

Link for the above books pleaseeeeeeeeeeeeeeeeeeeeeeee

Regards
Khurmi