Grating Panel

Steel grating is basically consist of Bearing bar and Cross bar by automatic press welding machine as following chart:

Steel gratings are usually made of carbon steel and stainless steel. they are generally used as industrial platform, maintenance platform, stair treads , rain-proof sunshade , fences and trench covers. widely used in the industry of Power plant, Oil Refineries,Petrochemistry, Chemical Plant, Water and Waste treatment plant, Ship-building, offshore projects and civil construction (like roads, park) ., etc.


Steel grating
Plain type, Serrated type, I Type and Serrated I type steel gratings are 4 basic kinds of gratings.

Bearing bar (width * thickness) 19*2,19*3,20*2,20*3,20*5,25*3,25*4,30*5,40*5,50*5……..100*10,150*10mm
Bearing bar pitch (mm) 12.5, 15, 20, 25, 30, 34.3, 35.3, 40,41.25, 50, 60…(30, 40 mm are recommended )
Cross bar pitch (mm) 38.1, 50, 76.2, 100, 101.6 .(50, 100 mm are recommended )
Surface Treatment Black/Untreated (U), Hot dip galvanizing (G), Painting (P)


Material: Mild steel, Stainless steel
Surface treatment: Untreated, Painting or Hot DIP Galvanized.


Country Steel Grating standard Galvanization Standard
China YB/T4001-1998, YB/T4001-2007 GB/T 13912
UK BS4592-2006 BS 729
Australia AS1657-1992 AS/NZS 4680 , AS1650