SS-EN-ISO-8503-3 Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 3: Method for the calibration of ISO surface profile comparators and for the determination of surface profile - Focusing microscope procedure (ISO 8503-3:2012)

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his part of ISO 8503 specifes the optical microscope and describes the procedure for calibrating ISO surface profle comparators conforming to the requirements of ISO 8503-1.This part of ISO 8503 is also applicable to the determination of the surface profle, within the range hy= 20 µm to 200 µm, of essentially planar blast-cleaned steel. The determination can be carried out on a representative section of the blast-cleaned substrate or, if direct observation of the surface is not feasible, on a replica of the surface (see Annex E).NOTE Where appropriate, this procedure can be used for assessing the roughness profle of other abrasive blast-cleaned substrates.An alternative procedure is described in ISO 8503-4.

To find similar documents by classification:

17.040.20 (Properties of surfaces)

25.220.10 (Surface preparation Including surface preparation for painting, cleaning, scouring, blasting, etc.)

25.220.20 (Surface treatment Including anodization, conversion coating, thermal spraying, etc.)

87.020 (Paint coating processes Surface preparation for painting, see 25.220.10)

91.080.10 (Metal structures)

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Designation Name

SS-EN ISO 8503-3:2012

Revision Level




Publication Date

March 7, 2012



Page Count


International Equivalent

EN ISO 8503-3:2012(IDT); ISO 8503-3:2012(IDT)