prepainted steel sheet 1. Steel grade: SGCC, DX51D 2. Zinc coating: 60~180gsm 3.WAC: 686/762/ 810/900/914mm High Quality prepainted steel sheetDue to its base metal, there are many kinds of corrugated steel sheet, such as cold rolled corrugated steel sheet, cold rolled galvanized steel sheet and prepainted galvanized corrugated steel sheet. Mainly use for roofing sheets.prepainted steel ...