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ISO/PWI 26589

Metallic and other inorganic coatings — Ferroin method for testing passive film integrity of stainless steel ISO/PWI 26589

General information

00.60   Close of review   Aug 17, 2026

ISO

ISO/TC 107/SC 7 Corrosion tests

International Standard

Scope

This document specifies the ferroin method, conditions and procedures for testing passive film integrity of stainless steels, and provides guidance for the inspection
This standard is applicable to the testing of the passivation film quality of stainless steels, especially suitable for on-site evaluation of stainless steel equipments under installation and operation.

Life cycle

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IN_DEVELOPMENT
ISO/PWI 26589
00.60 Close of review
Aug 17, 2026




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