... coated:80-275g SPCC,SPCD, SGCC, SGCH, SGCD, SGHC prepainted steel coilstandards: JIS G3302 1998, ASTM A653M / A924M 1998, DIN17162-1 ... /T1839-93with excellent weather resistancesuitable for partitions, vending machinry, decks, scaffolding, purlin, gurdrail, suspension bar for ceiling and so on.specification ... non-oiledinner diameter: 508/610mmoutter diameter:2,000mm max prepainted steel coil