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ISO 19691

Measurement method of corrosion for weathering steel structures ISO 19691

General information

60.00   Standard under publication   Jun 27, 2026

ISO

ISO/TC 156 Corrosion of metals and alloys

International Standard

91.080.13   Steel structures | 77.060   Corrosion of metals

Scope

This international standard specifies a method for measuring the corrosion loss of each part of
structures using unpainted steel such as weathering steel by using the attached coupons
Also this standard provides a prediction method for corrosion loss over a long period from the
measurement results and a method for determining the applicability of existing and new
constructing weathering steel structures.
Also this standard provides a method for evaluating the type of corrosion by visual inspection of
the appearance of rust on an existing weathering steel structure.

Life cycle

NOW

IN_DEVELOPMENT
ISO 19691
60.00 Standard under publication
Jun 27, 2026




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