Sspc sp2 hand tool cleaning hand tool cleaning refers to surface preparation that uses nonpower handheld tools to clean a steel surface. Surface preparation is the first step in this process. 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. Standard specification for fusionbonded epoxycoated structural steel hpiles and sheet piling. The most commonly accepted standards for contractors and organizations are the nace sspc joint. Hand tool cleaning is intended to remove all loose mill scale, rust, paint and other contaminants that may be detrimental to a coating application. Sspc surface preparation levels american institute. For evaluating rust on test panels or on localized areas of structures. They are developed through consensus collaboration of sspc technical committee.
The most common method and the least effective is washing with soap, water and a rag. This standard differs from sspc sp 3, power tool cleaning, in that sspc sp 3 requires only the removal of loosely adherent materials, and does not require producing or retaining a surface profile. Typically specified when surface preparation by sandblasting is not possible. 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. 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. Normas sspc steel structures painting council pittsburgh usa. For more information about visual standards see sspc sp com, section.
Sspc standards standards, technology reports, guides, and qualification procedures are the cornerstones of the sspc mission. The society for protective coatings surface preparation specification no. Reference to clarify acceptable level of flash rusting. While the 2005 aisc code of standard practice section 6.
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 sp 3 is power tool cleaning, which is a method of surface preparation on steel surfaces with the use of power assisted hand tools. When defects are removed and the surface is properly cleaned, coating adhesion and performance improve. 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. Method to evaluate the degree of rusting on painted steel or iron surfaces. Measurement of dry paint thickness with magnetic gauges. This specification covers the requirements for the solvent cleaning of steel surfaces. 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. Acceptable methods include brushing, blow off with clean, dry air, or vacuum cleaning. The inspector should read this explanation of the causes and effects of corrosion. You are purchasing a downloadable pdf of this standard. Sspc sp 3 power tool cleaning is a standard the society for protective coatings sspc has established for surface preparation. Sspc sp3 details the use of power assisted tools for surface preparation.
Skip to sspc s steel surface preparation standards. Tightly adherent mill scale, rust, and coating may remain on the surface. It is intended to aid the manufacturer, the consumer, and the general public. Sspc surface preparation standards american galvanizers. Sspc sp 1 november 1, 1982 editorial changes september 1, 2000 sspc. Steel surface preparation removes the physical defects and. Sspc sp 3 november 1, 1982 editorial changes september 1, 2000 sspc. The standards specify numerous methods for solvent cleaning. Protective coatings sspc manual, volume 1 good painting practice under the heading corrosion of metals, a copy of which is included in 393. 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. 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.
Society for protective coatings cleaning standards. The explanation will provide the inspector with a better understanding of the importance. 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. Sp 1 is a prerequisite to the other sspc abrasive blasting specifications. Sspc webinar series the sspc webinar series is available to everyone. Sspc sp 3 power tool cleaning sspc sp3 details the use of powerassisted tools for surface preparation. Sspcsp 3 power tool cleaning inspection for industry. Fullcolor photographs of mill scalefree, unpainted, rusted carbon steel prior to and after cleaning by waterjetting. Descargue como pdf, txt o lea en linea desde scribd. The cleaning removes all loose mill scale, weld spatter, rust, paint, and other surface contaminants. Steel surfaces need to be treated to prevent corrosion over the course of an assets lifetime. Power tool cleaning loose rust, loose mill scale and deteriorated coatings can be removed by effective use of hand and power tools. Information on nonvisible contamination can be found in paragraph a8 of appendix a.