Painted or Hot dipped galvanized grating panel
Product main features:
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 |
USA |
ANSI/NAAMM-MBG531 |
ASTM A123-89 |
UK |
BS4592-2006 |
BS 729 |
Australia |
AS1657-1992 |
AS/NZS 4680 , AS1650 |