Mohammad Vakili’s boys defeated Russia 3-1 (25-20, 25-23, 21-25, 25-20) in the final match.
Porya Yali scored 29 points to lead all scorers, then Morteza Sharifi charted 19 points to guarantee the gold medal win for Iran.
Maksim Sapozhkov, who came off the bench in the second set, top scored for Russia with 16 points.
In the bronze medal match, Japan defeated South Korea 3-0 (25-22, 25-22, 25-18) at the Isa City Sports Hall.