Steel bar grating
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The Introduction of Steel Grating

The Introduction of Steel Grating

Steel bar grating is also called steel grating, it is produced of steel flat bar and cross bar(twisted steel, steel rod or flat bar) in a certain distance by welding process.


The steel bar grating is mainly used as ditch cover plate, steel structure platform , steel ladder step, etc. The cross bar is generally using twisted steel. And the steel bar grating is generally made of carbon steel, and its surface is hot-dip galvanized, which can prevent corrosion. It can also be made of stainless steel. The steel bar grating has the properties of ventilation, lighting, heat dissipation, anti-skid and explosion-proof.


Steel used as building materials in shipbuilding, petrochemical, chemical and general industrial plants, municipal construction and other industries, it has the advantages of ventilation and light transmission, anti-skid, strong bearing capacity, beautiful and durable, easy to clean, easy to install and so on. It is been widely used as industrial platform, ladder pedal, handrail, passage floor, railway bridge side road, high-altitude tower platform, drainage ditch cover, well cover, road fence, three-dimensional parking lot, factories and other areas.


Product Features:

●Large loading strength.

●Easy for installation.

●Long service life.

The Main Parameters of Steel bar grating

The steel bar grating can be divided into Bearing bar-cross rod welding type and plug in welding type according to the production craft.

Steel Bar Grating
Steel Bar Grating

The main parameters of Bearing bar-cross rod welding type are the width and thickness of bearing bar, the diameter of cross rod, the pitch of bearing bar and cross rod, the mesh width and length.

The main parameters of plug in welding type are width and thickness of flat bar, the pitch of flat bar, mesh width and length.


●The Common Flat Bars Types


Steel Bar Grating


●The Common Cross Rod Types


Steel Bar Grating


By using different types of material, there are various of steel bar grating types available.


●The Bearing bar-cross rod welding types

Steel Bar GratingSteel Bar Grating
Plain flat bar with twisted steel rodPlain flat bar with round steel rod
Steel Bar GratingSteel Bar Grating
Serrated-flat bar with twisted steel rodSerrated-flat bar with round steel rod
Steel Bar GratingSteel Bar Grating
I-shape flat bar with Twisted steel rodI-shape flat bar with Round steel rod
Steel Bar GratingSteel Bar Grating
I-shape serrated flat bar with Twisted steel rodI-shape serrated flat bar Round steel rod


●The plug in welding types

Steel Bar GratingSteel Bar Grating
Plain flat bar plug in weldingSerrated-flat bar plug in welding

Clients can choose the suitable type according to your needs

The direction of steel bar grating

For the Bearing bar-cross rod welding type, because the strength of flat bar and cross rod is different, so the grating has different direction. When using the grating, the two sides of grating need to be set in the main structure.

The direction of steel bar grating

The Common Specifications of Steel bar grating

Common Specifications of Steel bar grating(Bearing bar-cross rod type)
Bearing-bar PitchCross-bar PitchBearing Bar Specifications(Width*Thickness)
20*325*332*340*320*525*532*540*545*550*555*560*5
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
30100G203/30/100G253/30/100G323/30/100G403/30/100G205/30/100G255/30/100G325/30/100G405/30/100G455/30/100G505/30/100G555/30/100G605/30/100
50G203/30/50G253/30/50G323/30/50G403/30/50G205/30/50G255/30/50G325/30/50G40530/50G455/30/50G505/30/50G555/30/50G605/30/50
40100G203/40/100G253/40/100G323/40/100G403/40/100G205/40/100G255/40/100G325/40/100G405/40/100G455/40/100G505/40/100G555/40/100G605/40/100
50G203/40/50G253/40/100G323/40/100G403/40/100G205/40/100G255/40/100G325/40/100G405/40/100G455/40/100G505/40/100G555/40/100G605/40/100
6050G203/60/50G253/60/50G323/60/50G403/60/50G205/60/50G255/60/50G325/60/50G405/60/50G455/60/50G505/60/50G555/60/50G605/60/50
Other specifications can be produced according to clients requirement.


Common Specifications of Steel bar grating(Plug welding type)
Flat Bar PitchFlat Bar Specifications(Width*Thickness)
20*325*332*340*320*525*532*540*545*550*555*560*575*575*6
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
30G203/30/30G253/30/30G323/30/30G403/30/30G205/30/30G255/30/30G325/30/30G405/30/30G455/30/30G505/30/30G555/30/30G605/30/30G755/30/30G756/30/30
40G203/40/40G253/40/40G323/40/40G403/40/40G205/40/40G255/40/40G325/40/40G405/40/40G455/40/40G505/40/40G555/40/40G605/40/40G755/40/40G756/40/40
Other specifications can be produced according to clients requirement.

The Special Treatment of Steel bar grating

BZWIREMESH can do the special treatment for our clients, the steel bar grating can be produced in to assemblies according to clients' design.

And the steel bar grating can be produced into irregular shape to according to clients' drawings to achieve the installation for irregular areas.

The Special Treatment of Steel bar gratingThe Special Treatment of Steel bar gratingThe Special Treatment of Steel bar grating

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