Norma galvanizado astm a123 pdf

Local dimensoes capacidade resende rj,00 x 1,80 x 3,20 m 6. Apr 14, 2015 the astm specifications a 143a 143m, astm a 384a 384m, and astm a 385 provide guidelines for preparing products for hotdip galvanizing. This specification is for hotdip galvanizing steel sheet using the continuous highspeed galvanizing process. Astm a123 for structural steel american galvanizers association. A fabrication can have more than one material category such as a frame assembly. Composicion quimica propiedades mecanicas c mn p s 0. Perfil estructural tubular negro y galvanizado astm. Hotdip galvanized fasteners, depending upon diameter, will have from 1. Astm a123, standard specification of zinc hotdip galvanized coatings on iron and steel products, refers to products fabricated. Hotdip galvanizing to astm a123 fact sheet hotdip galvanizing hdg is the process of dipping fabricated steel into a kettle or vat containing molten zinc. Astm f2329 covers the requirements for hotdip zinc coating applied to carbon steel and alloy steel bolts, screws, washers, nuts, and special threaded fasteners applied by the hotdip coating process. Escuela politecnica nacional repositorio digital epn. Industrial catalogo galvanizado por inmersion en caliente. Astm a123 123m requires a minimum average coating thickness of 3.

Abracados por las especificaciones asmt a123 y a153. Perfil estructural tubular negro y galvanizado astm a500 ntc. Astm a123 a123m 17 standard specification for zinc hot. This specification covers the standard requirements for hotdip galvanized zinc coatings on iron and steel products made from rolled pressed and forged shapes. Industry surveys, however, indicate that the standard galvanizing process would produce a coating of between 5 and 7 mils of zinc to such a product. While the steel is in the kettle, the iron in the steel metallurgically reacts with the molten zinc to form a tightlybonded alloy coating that provides superior corrosion protection to steel. Astm a123 standard specification for zinc hotdip galvanized coatings on iron and steel products astm a143 standard practice for safeguarding against embrittlement of hotdip. The specification astm a123a123m covers individual steel pieces as well as assemblies of various classes of material. The six material categories covered in astm a123 a123m include structural shapes, strip and bar, plate, pipe and tubing, wire, and reinforcing bar. Astm a325 pernos estructurales pueden venir con dos especificaciones mecanicas diferentes. Astm a123 and g90 specifications american galvanizers. Active standard astm a123 a123m developed by subcommittee. Astm a123 a123m 17 standard specification for zinc.