Steel angle iron, steel roofing, rebar and steel bolts are examples of ferrous-metal building materials. Most metal-cutting blades and discs are labeled for cutting either nonferrous or ferrous metal.

In order to secure a uniform rate of cutting, the movable blade has a curved or bellying ... of any other machine now in use for cutting iron, a result which we can readily credit, having seen ...

Chop-style saws that use special metal-cutting carbide-tipped blades not only slice steel tubing, angle iron and flat stock with precision, but leave the cut edges cool and nearly burr-free.