Al-Mg-Mn Alloy Sheet for building ,The corrugated steel sheet is made by cold-rolled steel plate, electro-galvanized steel plate, hot-dip galvanized steel plate or galvanized steel plate as substrate after surface degreasing, phosphating, chromate treatment, and coated with organic coating. .
Building Material Bwg34 PPGI Color Coated Prepainted Steel thickness from 0.2 mm to 1.2mm Metal Roof Sheet Price 20 Gauge Gi Galvanized Corrugated Sheet Roofing Sheet
channel steel is the long shape steel that with cross section of groove shape . channel steel belongs to the building use and mechanical use carbon structural steel ,is a complex section steel ,its section shape is slotted . channel stell is mainly used for building structure,curtain wall engineering ,mechanical equipment and vehicles manufacturing1
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.