Qualification of welded joints used in the sugar and alcohol sector of ASTM A335 P22 steel pipes welded by GTAW and SMAW processes
Francisco Mendes De Abreu,
Raphael Henrique Falcão De Melo,
Marco Antônio Dos Santos
et al.
Abstract:O objetivo deste trabalho é qualificar juntas soldadas pelos processos SMAW e GTAW em conjunto com técnicas conexas de tubos do aço ASTM A335 P22 empregados no setor sucroalcooleiro. Neste trabalho, utilizou-se um tubo de aço ASTM A335 P22 com diâmetro externo de 73 mm e espessura da parede de 9,53 mm. Foram fabricadas quatro juntas denominadas de juntas 1, 2, 3 e 4. As juntas 1 e 2 foram soldadas exclusivamente pelo processo SMAW (do passe de raiz aos passes de acabamento), enquanto as juntas 3 e 4 foram sold… Show more
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