C channel is made of galvanized steel strips by the method of cold-bending formed.The surface treatment is galvanized or bared. It has many advantages compared with traditional structural steel, such as light weight, excellent performance cross-section, high-strength and so on.
Galvanized Z Shape Steel Channel/FraGalvanized Steel C /Z Section Purlins for Steel Structure Buildingme Roof/Shed Purlins Ce Certified Beam Galvanized Purlin High Strength Galvanized Channel Steel C /ZPurlin