... -1.50mm WIDTH:600-1250mm ACCORDING STANDARD:JIS, ASTM,DIN STEEL GRADE:SGCC, DX51D+Z, CGCCThickness: 0.23-1.2mm (BMT ... , epoxy for reverseStandard: JIS G 3312, ASTM A755M, EN 10169Base Steel Grade: SGCC, SGCD, DX51D+Z DX52D+Z; S200GD, S220GD, S280GD ... paper inside, iron sheet wrapped outside, and bundled by iron strips