The Specification of Steel Grating(Un-incised):

Size:1M×6M Standard (Any specialized by Customer's design or USA standard)
Material:Mild Steel
Surface Treatment: Un-Coated, Painted, Hot Galvanized
Type: Plane Type or -Serrated Type

Quality Control:

Steel Grating standard:

CHN - YB/T4001-1998
USA - ANSI/NAAMM（MBG531-88）
ENGLAND - BS4592-1987
AUSTRALIA - AS1657-1992

Steel Standard: CHN - GB700-88
Hot Galvanized Standard: CHN - GB/T13912-92