Can one break iron, even iron from the north, and brass?

Is it possible for iron to be broken; even iron from the north, and brass?

Ο σιδηρος θελει συντριψει τον σιδηρον του βορρα και τον χαλκον;

Shall iron break the northern iron and the steel?

Can one break iron, even iron from the north, and brass?