ISO 22426:2020
Assessment of the effectiveness of cathodic protection based on coupon measurements

Standard No.

ISO 22426:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 22426:2020

Scope

This document specifies requirements for the design, installation, positioning, sizing, use and maintenance of coupons for the assessment of the effectiveness of cathodic protection (CP) of buried and immersed metallic structures, such as pipelines, in the case of normal operation as well as AC and DC interference conditions.

ISO 22426:2020 Referenced Document

• EN 50162 Protection against corrosion by stray current from direct current systems
• ISO 15589-1 Petroleum, petrochemical and natural gas industries - Cathodic protection of pipeline systems - Part 1: On-land pipelines

ISO 22426:2020 history

• 2020 ISO 22426:2020 Assessment of the effectiveness of cathodic protection based on coupon measurements