prBAS EN ISO 8504-4:2026

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

General information

Status:Project

Number of pages:11

Adoption method:Proglašavanje

Language:engleski

Edition:1.

Realization date:05.11.2025

Forseen date for next stage code:03.03.2026

Technical committee:BAS/TC 39, Corrosion protection of materials

ICS:

25.220.10, Surface preparation

Abstract

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.

Lifecycle

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Original document and degree of correspondence

EN ISO 8504-4:2024, identical

ISO 8504-4:2022, identical

Work material

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