steel grating

Steel grating is basically consist of Bearing bar and Cross bar by automatic press welding machine as following chart:
Product name
Steel Grating
Grating Style
Plain type, Serrated type, I Type and Serrated I type steel gratings
Surface Treatment
Black/Untreated (U), Hot dip galvanizing (G), Painting (P)
Usage
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.
Bearing bar       (width * thickness)
25*3mm,25*4mm,25*5mm,30*3mm,30*4mm,30*5mm,32*3mm,32*5mm,40*3mm,40*4mm,40*5mm,50*3mm,50*4mm,50*5mm Etc.
Bearing bar pitch (mm)
12.5, 15, 20, 25, 30, 34.3, 35.3, 40,41.25, 50, 60...(30, 40,50 mm are recommended ),also can do the size as customer's request
Cross bar pitch (mm)
38.1, 50, 76.2, 100, 101.6 . Etc.(30, 50, 100 ,150 mm are recommended ),also can do the size as customer's request
Material:
Mild steelQ235, Stainless steel
Steel Grating 
They are widely used in Flooring, catwalk, mezzanines/decking, stair tread, fencing, ramp, dock, trench cover, drainage pit cover, maintenance platform,pedestrian/crowded pedestrian, factory, workshop, motor rooms, trolley channel, heavy loading area, boiler equipment and heavy equipment area, etc. We are professional factory to design and manufacture standard steel grating and customize according to client's requirements.