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