The steel - “brass,” i. e., bronze. By the “iron” is meant Jeremiah’s intercession; but this cannot alter the divine purpose to send Judah into exile, which is firm as steel and brass. For “brass” see Exodus 25:3 note. The alloy of copper and zinc now called brass was entirely unknown to the ancients.
Related Commentaries of Jeremiah 15:12
Jeremiah 15:12
12 Shall iron break the northern iron and the steel?