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Padrões de material para arruelas planas

2016-01-29View Original

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Acabei de receber a tabela de classificação dos materiais para um projeto. A descrição do material utilizado para as arruelas planas é “GRADE9”. O padrão de dimensões é ASME B18.22.1, SAE “N”. Qual é, afinal, o padrão de material correspondente a esse GRADE9? Verifiquei que o A194 tem apenas Gr.9C(A); infelizmente, não há versão Gr.9. Por favor, me ajudem! Muito obrigado!

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