Presssure Locked Grating Heavy Duty Steel Grating Load 1200 Tons
 
Steel Bar Grating with bearing bars thicker than 3/16" is considered to be "Heavy Duty" and carries the designation prefix "Type HD". Available bar thicknesses are 1/4" (6.4mm) , 5/16" (7.9mm) and 3/8" (9.5mm) in either plain or serrated surface. Standard depths range from 1" (25mm) up to 4" (102mm), although larger sizes are available upon reques
 
Weld Heavy Duty Steel Bar Grating is commonly used for floor trenches and sump covers exposed to heavy equipment traffic. It is used extensively through out mining, power generation, highways, airfields, and on truck terminal loading docks and ramps. It is suitable for large single span conditions or where grating must be support extreme
 

 
Applications
1).Fencings for car-parks, buildings and roads; drainage trench covers and drainage pit covers for highways;
2).Flooring in various bridges such as railway bridge sidewalks, over-bridges across the street;
3).Rotation ways, channels, and platforms for pump rooms and engine rooms in various ships;
4).Platforms for oil extraction sites, car washing sites and air towers;
 
Size:The sizes 6meter x1 meter ,5.8meter x 1meter are the common size to Aisan and Middle East markers.
The plain galvanized steel grating commonly used on bridge,refinery ,power plant,Sewage treatment plant and so on.