The standards specify numerous methods for solvent cleaning. The preparation method described here is intended to remove the same contaminants from a surface as in sspc sp2, and the procedures before and after using this cleaning method are identical to sspc sp2. For evaluating rust on test panels or on localized areas of structures. As the foundation for all sspc training conducted globally, they serve to ensure the highest degree of quality, productivity, and safety in the protective coatings industry. This level of preparation will produce the same results as sspc sp2, but uses power tools such as grinders or sanders instead of wire brushes or sandpaper. Hand tool cleaning is intended to remove all loose mill scale, rust, paint and other contaminants that may be detrimental to a coating application. Normas sspc steel structures painting council pittsburgh usa. Typically specified when surface preparation by sandblasting is not possible.
This standard differs from sspc sp 15, commercial grade power tool cleaning, in that sspc sp 15 allows stains of rust, paint, or mill scale to remain. Brushoff grade blasting sspc sp 7 may be used as an alternative to scraping and wire brushing. Sspc sp3 details the use of power assisted tools for surface preparation. Measurement of dry paint thickness with magnetic gauges. Sspc sp 3 november 1, 1982 editorial changes september 1, 2000 sspc. When defects are removed and the surface is properly cleaned, coating adhesion and performance improve. Tightly adherent mill scale, rust, and coating may remain on the surface. Sspc surface preparation standards american galvanizers.
Fullcolor photographs of mill scalefree, unpainted, rusted carbon steel prior to and after cleaning by waterjetting. Webinars focus on key information that allow busy professionals to stay uptodate on the latest industry trends, developments, and technology all from the comfort of your home or office. They are developed through consensus collaboration of sspc technical committee. Prior to scraping and wire brushing, remove grease, oil, salt. Standard specification for fusionbonded epoxycoated structural steel hpiles and sheet piling. Sspc sp 3 is power tool cleaning, which is a method of surface preparation on steel surfaces with the use of power assisted hand tools. Sspcsp 3 power tool cleaning inspection for industry. Surface preparation is the first step in this process.
Acceptable methods include brushing, blow off with clean, dry air, or vacuum cleaning. Ld3057, sspc vis 3 photographs for steel surfaces prepared by hand and power tool cleaning ld3058, sspc vis 4nace vis 7 photographs for steel surfaces prepared by waterjetting ld3059, sspc vis 5nace vis 9 photographs for steel surfaces prepared by wet abrasive blast cleaning disclaimer the right of technical modifications is reserved. You are purchasing a downloadable pdf of this standard. The inspector should read this explanation of the causes and effects of corrosion. This specification covers the requirements for the solvent cleaning of steel surfaces. It is intended to aid the manufacturer, the consumer, and the general public.
Protective coatings sspc manual, volume 1 good painting practice under the heading corrosion of metals, a copy of which is included in 393. Information on surface preparation of concrete can be found in sspc sp nace no. Descargue como pdf, txt o lea en linea desde scribd. Sspc sp 3 power tool cleaning sspc sp3 details the use of powerassisted tools for surface preparation.
Sspc vis 3, visual standard for power and handtool cleaned steel, provides color photographs for the various grades of surface preparation as a function of the initial condition of the steel. Power tool cleaning loose rust, loose mill scale and deteriorated coatings can be removed by effective use of hand and power tools. Steel surfaces need to be treated to prevent corrosion over the course of an assets lifetime. Steel surface preparation removes the physical defects and. While the 2005 aisc code of standard practice section 6. Sp 1 is a prerequisite to the other sspc abrasive blasting specifications. The explanation will provide the inspector with a better understanding of the importance. Cleanliness requirements for conditions depicted are defined by the sspc surface preparation specifications for white metal sp 5, nearwhite sp 10, commercial sp 6, industrial sp 14, and brushoff sp 7. The most commonly accepted standards for contractors and organizations are the nace sspc joint. Nearwhite metal blast cleaning is to be used to clean unpainted or painted steel surfaces prior to applying a new protective coating or lining. Sspc webinar series the sspc webinar series is available to everyone.
Method to evaluate the degree of rusting on painted steel or iron surfaces. Society for protective coatings cleaning standards. Information on nonvisible contamination can be found in paragraph a8 of appendix a. The society for protective coatings surface preparation specification no. For more information about visual standards see sspc sp com, section. Reference to clarify acceptable level of flash rusting. The cleaning removes all loose mill scale, weld spatter, rust, paint, and other surface contaminants. Detailssspcs most widely used visual reference features over 50 fullcolor photos of previously coated and uncoated, rusted steel surfaces before and after dry abrasive blast cleaning. Solvent only sspc sp 1 hand tool part a1d3 st2, st3 85014 st2, st3 sspc sp 2 power tool part a1d3 st2, st3 85014 st2, st3 sspc sp 3 abrasive blast cleaning white metal part a1d2 sa3 85014 sa3 sspc sp 5 stnace no 1 bs4232 1 quality. Sspc standards standards, technology reports, guides, and qualification procedures are the cornerstones of the sspc mission.