
Sizes can range from just a few millimetres to thick metal bars. Round (or ’rounds’) bars are solid circular steel sections.

Applications include door frames, ornamental architecture and balustrades. Square bars (or ‘squares’) are solid square steel sections. Flat Barįlat bars are flat steel sections used by fabricators for everything from construction and mining infrastructure to transport and storage. A merchant bar is generally used in structural applications that involves welding, bending, punching and forming and are commonly found in floor and roof joists, walkways and railings.įlat, square, angled and round are the most common merchant bar types used in steel fabrication.

They come in flats, rounds, steel angles, squares, strips, channels – almost any form. Structural steel fabricators use merchant bars to build several different products.
