BRAZILIAN NEWS
Sérgio Militias editor Revista do Parafuso
revistadoparafuso.com.br
Fasteners subject to Brazilian Conformity Assessment
The Brazilian Ministry of Development, Industry and Foreign Trade has agreed to a demand from SINPA that fasteners will be subject to certification under the Brazilian Program of Conformity Assessment.
certification of fasteners in four-year plan for 2012-2015, represents an important step in achieving quality assurance. This is because the fasteners made in Brazil, or imported, may only be marketed here if they are produced by certified companies, which means that products will conform to internationally recognised standards, “said Mr José Gianesi Sobrinho, president of SINPA. The decision is being welcomed because of its implications for product safety and is very necessary because of the lack of
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control and information about imported fasteners. In the case of a compact car, for example, which has more or less 1,200 fasteners or a 150cc motorcycle with an average 300 of fasteners, the importance of these measures is clear, especially when the numbers are multiplied by the level of Brazilian production. In 2011, 3 million motor vehicles (including tractors, trucks and buses) were produced in Brazil, and there were close to two million two wheelers registered. It is also important when considering the significance of strength of other industrial sectors for fasteners, such as the replacement market, oil and gas, shipbuilding, railroads, agricultural and industrial machinery. There was a famous Brazilian advertising slogan that once said “you do not see, but we are there”, which is absolutely true of screws, that can even be found in women’s high-heeled shoes.
Barrados no baile
n Brazil “barrados no baile” is used when someone is outside of a party. This is happening with some industrial sectors in Brazil, right now, because the Federal Government is establishing new rules for the commercialisation of Brazilian products, but so far fasteners manufacturers are not included. At the moment the information is being studied about this sector, which is so vulnerable to international competition, but there is still no information about what is intended.
I Gerdau introduces patinable steel for fasteners
Gerdau S/A is one of the largest steelmakers in the world and is the main supplier of the raw material for the production of fasteners in Brazil. It has recently launched a material not previously marketed in the country.
to a constant process of wear and abrasion. Belonging to the family of steels for mechanical construction of the structural type, this steel
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provides increased corrosion resistance combined with high mechanical strength, meeting the requirements of the American specification ASTM A325. A thin layer of adhering oxide, red in colour and known as a patina, is formed on the surface of the structure when exposed to corrosive agents in the environment. This reduces and prevents the propagation of corrosion in the subsurface layers of the base material. The patina is the result of the addition of copper to the chemical composition of the steel, making the product three times stronger than common steels. The greatest difficulty for the specification of structural steel in Brazil using this was the lack of domestic suppliers for
connections, bolts and nuts. With this development, the company promises to facilitate this type of construction in both the structural shapes and the supply of wire rods and bars for the production of screws, bolts and nuts.
Fastener + Fixing Magazine • Issue 75 May 2012
ost common in the form of flat steel plates patinable steel, sometimes known as Corten steel (Cor-Ten is the trademark of the US Steel Corporation), has been developed by Gerdau as part of its range of specialty steels. Its application is mainly for industrial buildings that are difficult to coat or paint and are subjected
n December 2011 the National Council of Metrology, Standardisation and Industrial Quality published resolution number 04 approving the Quadrennial Action Plan for Brazilian Conformity Assessment 2012-15. Conmetro has now accepted representations from SINPA, the Brazilian Syndicate of Fastener Manufacturers, that the plan should include fasteners, including screws, nuts, washers and rivets. “The acceptance by Inmetro of the demand of our syndicate, in order to place the
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