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SRPS EN ISO 8504-4:2025

Preparation of steel substrates before application of paints and related products - Surface preparation methods - Part 4: Acid pickling (ISO 8504-4:2022)

Apr 30, 2025

General information

60.60     Apr 30, 2025

ISS

H035

European Norm

25.220.10  

English  

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Scope

This document describes the typical method for acid pickling generally used in a shop facility for the preparation of steel substrates before application of paints and related products. It is in general applicable to new steelwork.
This method is essentially intended to remove rust and mill scale. Typically, only slight oil residues can be removed during this process. It can be used on steel surfaces that are easily deformed by abrasive blasting.

Life cycle

NOW

PUBLISHED
SRPS EN ISO 8504-4:2025
60.60 Standard published
Apr 30, 2025

Related project

Adopted from EN ISO 8504-4:2024 IDENTICAL

Adopted from ISO 8504-4:2022 IDENTICAL