ISO 8501-1 | Wikipedia audio article

ISO 8501-1 – Preparation of steel substrates
before application of paints and related products – Visual assessment of surface cleanliness
– Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel
substrates after overall removal of previous coatings
It is an ISO standard, hardback A5-format book in four languages (English, French, German
and Swedish), which specifies a series of rust grades and preparation grades of steel
surfaces. The various grades are defined by written
descriptions together with photographs that are representative examples within the tolerance
for each grade as described in words. It is applicable to hot rolling steel surfaces
prepared for painting by methods such as blast-cleaning, hand and power tool cleaning and flame cleaning,
although these methods rarely lead to comparable results. Essentially, these methods are intended for
hot-rolled steel, but blast-cleaning methods, in particular, could also be used on cold
rolling steel of sufficient thickness to withstand any deformation caused by the impact of the
abrasive or the effects of power tool cleaning. This part of ISO 8501 is applicable also to
steel substrates that show residues of firmly adhering paint and other foreign matter in
addition to residual mill scale.==Revision information==
ISO 8501-1:2007 ISO 8501-1:1988
ISO 8501-1:1988/Suppl:1994==Corrigenda, Amendments and other parts
==ISO 8501-2:1994. ISO 8501-3:2006
ISO 8501-4:2006==References==ISO Catalogue in the ISO website

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