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>ISO Standards>ISO 8501-3:2025-Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 3: Preparation grades of welds, edges and other areas with surface imperfections
immediate downloadReleased: 2025
ISO 8501-3:2025-Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 3: Preparation grades of welds, edges and other areas with surface imperfections

ISO 8501-3:2025

ISO 8501-3:2025-Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 3: Preparation grades of welds, edges and other areas with surface imperfections

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English PDF
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French PDF
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French Hardcopy
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Standard´s number:ISO 8501-3:2025
Pages:13
Edition:3
Released:2025
DESCRIPTION

ISO 8501-3:2025


This document provides requirements to identify visible imperfections and defines three preparation grades for welds, edges and surfaces of steel to assist in achieving efficient corrosion protection. Such imperfections can be visible before or can become visible after an abrasive blast cleaning process. NOTE       Although this document has been developed specifically for preparation of steel, the defined preparation grades will generally be appropriate for use when preparing other metal surfaces e.g. aluminium, castings, if agreed.