... .Grade 33-grade 80.;SGLCC SGLCD.. 4.AZ40-150 1.Corrugated sheetCorrugated sheetCERTIFICATECorrugated sheet :ISO9001:2008STANDARDCorrugated sheet :ASTM A653, JIS G3302 ... .5)*1250MM or underTYPECorrugated sheet :steel coil, steel sheets/ plates, corrugated steel sheets/platesTECHNIQUECorrugated sheet : hot rolled-cold rolled-galvanizedSURFACE TREATMENTCorrugated ...