I Type Grating description

I type steel grating used I type flat bar(flat on both sides of thick thin middle) and twist bar (5*5,6*6,8*8 also called twisted steel, square steel, twisted steel) cross arrangement, and welded. with square lattice in the middle of the I type gratings mainly used to do ditch cover, Steel structure platform plate, steel ladder’s stair treads etc.

I Type Grating Specifications

Steel Grating Size:1m×6m standard type (special size and American standard size are also customizable)
Material: Low carbon steel (Q235)=A36
Surface Treatment:Hot dip galvanizing, paint or no coating
Surface Shape: Plain, Serrated and I type
Steel Grating Standard: China YB/T4001-2007
America ANSI/NAAMM (MBG531-88)
Britain BS4592-1987
Australia AS1657-1992

Steel Standard: China GB700-88 / ASTM (A36) / BS4306 (43A)
Hot dip galvanized steel grating : China GB/T13912-92 / ASTM (A123) / BS729

Technological Process
(1) Material
(2) Pressure Welding
(3) Cutting
(4) Welding of Ends Bar
(5) Hot Dipped Galvani-zation
(6) Final Shipment

Related Products: serrated flat bar, Hot dip galvanized steel grating, steel grating manufacturers, stainless steel grating
Galvanized bar grating, steel walkway