Iso 8501 3 pdf

Iso 8501 3 pdf

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the preparation grades given in this pa. iso 8502- 3: describes a method for the assessment of dust remaining on cleaned steel surfaces prepared for painting. industry weighed in on the importance of using iso terminology ( not ansi terminology), the need to include information on mask orientation during testing ( noting direction of air flow) since different release results can occur, and inclusion of a section for mandatory information ( e. such imperfections can become visible before and/ or after an abrasive blast- cleaning process. note 1 the preparation grades of previously painted steel surfaces after only localized removal of paint coatings form the subject of iso[ 1]. this second edition cancels and replaces the first edition ( iso 8501- 3: ). 4 methods of preparation because a mill scaled surface is unsuitable for most modern coatings, it should be removed. , lot number, as well as orientation. the main changes are: ⎯ revision of the description of preparation grade p1 in clause 4 and the preparation grades for welding spatter and undercut in table 1; ⎯ replacement pdf of the phrases “ as found”, “ as welded”, etc. standard subnumber. in iso 4287 as a “ profile that results from the intersection of the real surface by a specified plane”. iso 8501- 1: rust grades and preparation grades of uncoated steel substrates and steel substrates after overall removal of previous coatings. lt is applicable to surfaces which have been cleaned with either metallic or non- metallic abrasives. this part of iso 8501 is applicable also to steel substrates that show residues of firmly adhering paint and other foreign matter ( see note 2 to 3. this part of iso 8501 describes preparation grades of welds, edges and other areas, on steel surfaces with imperfections. 2 normative references. international standard isowas prepared by technical committee iso/ tc 35, paints and varnishes, subcommittee sc 12, preparation of steel substrates before application of paints and related products. 2 iso surface profile comparator planar plate of four segments on which are imparted reference surface profiles ( 3. 1) in addition to residual mill scale. this part of iso 8501 identifies 4 rust grades which are normally found on uncoated steel surfaces and on stored steel surfaces ( figure 1). en iso 8501- 3: ( e) 2 foreword the text of iso 8501- 3: has been prepared by technical committee iso/ tc 35 paints and varnishes” of the international organization for standardization ( iso) and has been taken over as en iso 8501- 3: by technical committee cen/ tc 139 paints and varnishes, the secretariat of which is held by din. it also provides descriptive classes for the assessment of the average size of the dust particles. steel surface largely covered with adhering mill scale but little. very thorough hand and power tool cleaning. characteristics of the roughness of blast- cleaned surfaces are defined in 3. iso 8501 consists of the following parts, under the general title 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. the cleaning grades possible to obtain are ( iso 8501: ) : • st 1: not relevant - unsuitable for painting • st 2: thorough hand and power tool cleaning • st 3. iso 8501- 3: describes preparation grades of welds, cut edges and other areas, on steel surfaces with imperfections. isowas prepared by technical committee iso/ tc 35, paints and varnishes, subcommittee sc 12, preparation of steel substrates before application pdf of paints and related products. iso 8501 3 pdf iso 8501- 3: 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. grit abrasives, but is only applicable to grades sa 2½ and sa 3 of isowhere the entire surface under test shows an overall blast- cleaned appearance. iso shall not iso 8501 3 pdf be held responsible for identifying any or all such patent rights. it provides pictorial ratings for the assessment pdf of the average quantity of dust. consultation ballot. iso/ cdpreparation 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. current standard. various methods and grades of cleanliness are presented in iso 8501- 1: 1988, ( bs 7079, part a1), preparation of steel substrates efore application of paints and related products - visual assessment of surface leanliness [. by high pressure water jettingannex a of this part of iso 8501 is for information only. roughness in general, it is not possible to achieve a roughness profile that is higher than finer than fine with hand tools, see table. , with “ no preparation.