Mehdi Karimi (three goals), Behrouz Azimi (three goals), Abolfazl Afzali (two goals), Moslem Oladghobad, Hossein Sabzi and Ali Akrami scored for Team Melli.
Iran had lost to Brazil 5-2 in its first match.
The competition is taking place from March 5 to 9 at the Ginasio De Esportes e Lazer Max Rosenmann in Sao Jose dos Pinhais (State of Parana) in Brazil.