Some angle iron suppliers are Discount Steel, Lowe's and Metals Depot. Angles are commonly available in various stock sizes, and some suppliers allow customers to order custom sizes.
Discount Steel offers galvanized steel angles in several different stock and custom sizes, states Discount Steel. The steel angles can utilize tapered or round edges, and the galvanized material is suitable for outdoor use.
Lowe's is another supplier of angle iron, with solid and slotted products available. The company allows customers to view all products on its website, as well as which products are available in a particular store.
Metals Depot is an online supplier. The company offers angles, channels, beams, flat bars, round bars and other metal shapes.