GSO ISO 8503-4:2015
ISO 8503-4:2012
Gulf Standard
Current Edition
·
Approved on
03 September 2015
Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned steel substrates -- Part 4: Method for the calibration of ISO surface profile comparators and for the determination of surface profile -- Stylus instrument procedure
GSO ISO 8503-4:2015 Files
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GSO ISO 8503-4:2015 Scope
This part of ISO 8503 specifies the stylus instrument and describes the procedure for calibrating ISO surface profile comparators conforming to the requirements of ISO 8503-1.
This part of ISO 8503 is also applicable to the determination of the surface profile, within the range Ry5 = 20 μm to Ry5 = 200 μm, of essentially planar blast-cleaned steel. The determination can be carried out on a representative section of the blast-cleaned surface or, if direct observation of the surface is not feasible, on a replica of the surface (see Annex C).
NOTE Where appropriate, this procedure can be used to assess the roughness profile of other abrasive blast-cleaned substrates.
An alternative procedure is described in ISO 8503-3.
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