Profile: Cardiff Steels is a supplier and provide a diverse range of mild steel, stainless steel, and aluminum sections. We are an ISO 45001 and ISO 14001 certified company. We design, and detailing through material processing, coating, fabrication, welding, and on-site installation if required. All our steel angles are cut to length with optional primed or galvanized finish. Flat bar is one of the most common construction materials in the world and due to its strength and versatility it can be easily cut, drilled, welded and applied to almost any application.