... the national standards completely and are widely used. Features Specifications: Galvanized Steel Coils1, Reference Standard: GB/T2518-2004, JIS G3302-1998 ... ; according customer's request.6, Zinc coating: Z60--Z275. 7, Coil diameter: ID: 508mm, OD: 1,000 to 1, 250mm8, Usage ... and household electric appliances.Packing: Anti-rust paper, Corner protected Galvanized Steel Coil