AENOR UNE-EN ISO 8501-2-2002 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 2: Preparation grades of previously coated steel substrates after localized removal of previou

AENOR UNE-EN ISO 8496-2014 Metallic materials - Tube - Ring tensile test (ISO 8496:2013) AENOR UNE-EN ISO 8493-2006 Metallic materials - Tube - Drift-expanding test (ISO 8493:1998) AENOR UNE-EN ISO 8491-2006 Metallic materials - Tube (in full section) - Bend test (ISO 8491:1998) AENOR UNE-EN ISO 8501-3-2008 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 8501-3:2 AENOR UNE-EN ISO 8502-3-2017 Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape AENOR UNE-EN ISO 8502-4-2017 Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 4: Guidance on the estimation of the probability of condensation prior to paint applica