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immediate downloadReleased: 2012-03-31
BS EN ISO 8503-4:2012
Preparation of steel substrates before application of paints and related products. Surface roughness characteristics of blast-cleaned steel substrates Method for the calibration of ISO surface profile comparators and for the determination of surface profile. Stylus instrument procedure
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| Standard number: | BS EN ISO 8503-4:2012 |
| Pages: | 20 |
| Released: | 2012-03-31 |
| ISBN: | 978 0 580 63471 0 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 8503-4:2012
This standard BS EN ISO 8503-4:2012 Preparation of steel substrates before application of paints and related products. Surface roughness characteristics of blast-cleaned steel substrates is classified in these ICS categories:
- 25.220.10 Surface preparation
- 17.040.20 Properties of surfaces
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 
= 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 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.