The line is spoken with a brisk clip that could bite through steel.

A corrosive is simply a powerful acid that eats through steel.

Freedom was now only something to be glimpsed through steel.

Do you claim that old woman could cut through hardened steel?

His eyes flared in tiny pinpricks of blue light, as if they could cut through steel.

"It goes through quarter-inch mild steel without giving much notice."

The woman has a tongue on her that could cut through steel.

They defeated them through offensive spirit, high morale and cold steel.

The kind of stuff that goes through steel like it was butter.

Water: a stream of acid, corrosive enough to eat through steel.