EXHIBIT 23.02

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-179182 and No. 333-171217) of Gerdau S.A. of our report dated March 14, 2017 relating to the financial statements, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers Auditores Independentes

Porto Alegre, Brazil

April 2, 2018