Standard: EN,JIS,GB,AS width:11-1500mm Spangl Regular,Samll,Big or Zero ID 508/610mm Zinc coating Z80-Z275 GISGCC, JIS G3302, or DX51D EN 101421. Standard: EN,JIS,GB,ASTM2. width 11-1500mm ,1000mm, 1200mm, 1219mm, 1250mm3. Spangl Regular,Samll ,Big or Zero4. ID 508/610mm5. Zinc coating Z80-Z275/m2 6. Surface Chromated, dry or oiled, cr3 treated. gi steel strips7. Certification: ISO 9001:2008, CE8 ...