High Quality JIS ASTM DX51D SGCC Galvanized Steel Coil sheet
High Quality JIS ASTM DX51D SGCC Galvanized Steel Coil sheet Standard: ASTM, JIS,EN Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570 Thickness: 0.1mm~5mm Width: max 2000mm Coil weight:3-12 MT Coil ID:508/610mm Surface structure: zero spangle, regular spangle or minimum spangle Surface treatment: Chromate treatment, Oiled/dry, skinpassed /non-skinpassed Packing: Standard seaworthy export package Hot-Dip Galvanizing or HDG is a process in which zinc bonds to steel at the molecular level to produce a four-layer corrosion-resistant finish. The first three layers are zinc-iron alloy layers that are actually harder than the base steel. The fourth or top layer is pure zinc. Product Features: Corrosion protection Basic Substrate: cold rolled Standard HDG GB/T2518-2004 JIS G 3302 ASTM A653M-04 EN 10327-04 EN 10326-04 CQ 02 SGCC CS TYPE A/B/C DX51D+Z DQ 03 SGDC FS TYPE A/B DX52D+Z 250 280 320 350 SGC340 SGC400 SGC440 SS255 SS275/GRADE 40 SS340/GRADE 50 S250GD+Z S260GD+Z S320G