Title

CARACTERÍSTICAS E PROPRIEDADES DO REVESTIMENTO DE LIGA Al-Zn PRODUZIDO NA CSN-PARANÁ

CSN GALVALUME - COATING CHARACTERISTICS AND ITS PROPERTIES

Authorship

Scheid, Adriano; Coni, Nicodemos Henrique da Silva; Machado, Wellington de Faria; Silva, Paulo Cesar da; Ramos, Abel Marcos Garcia; Capra, Andre Ricardo

Scheid, Adriano

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Coni, Nicodemos Henrique da Silva

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Machado, Wellington de Faria

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Silva, Paulo Cesar da

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Ramos, Abel Marcos Garcia

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Capra, Andre Ricardo

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DOI

10.5151/2594-5297-0019

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Abstract

Com início de operação em agosto de 2003, a Linha de Galvanização da CSN-PR, do tipo contínuo “Dual Purpose” permite a produção de aço galvanizado com revestimentos convencionais (zinco puro) e de liga alumínio-zinco (Galvalume

Started-up on August, 2003, CSN Galvanizing Line is a Dual Purpose Continuous one, designed to produce galvanized steel by conventional coating (pure zinc) and Al-Zn alloy coating by the hot dip process. With a 320.000 mt/year capacity, this line is the first one in Brazil producing “galvalume”, a steel sheet coated with Al-Zn alloy, specially conceived for civil construction, home appliance markets and automotive industry. This presentation it will be shown some major technological aspects of galvalume processing approval, as well as its important characteristics and influence on product performance emphasizing better corrosion resistance.

Keywords

Galvanização, Galvalume, corrosão.

Galvanizing, Galvalume, Corrosion