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  • Square Hot Dip Galvanized Steel Grating
  • Square Hot Dip Galvanized Steel Grating
  • Square Hot Dip Galvanized Steel Grating
  • Square Hot Dip Galvanized Steel Grating
  • Square Hot Dip Galvanized Steel Grating

Square Hot Dip Galvanized Steel Grating


Square Hot Dip Galvanized Steel Grating

GradeCN: 195,Q235,Q235A,Q235B, Q345, USA: A36, UK: 43A
CertificationCE, GOST, ISO9001, ISO14001, HSE
Bearing bar typePlain, Serrated (tooth-like), I bar (I section), Serrated-I
Bearing bar size20X5,25X3,25X4,25X5,30X3,30X4,30X5,32X3,32X5,40X5,50X475X8,100X8mm, etc
Bearing bar pitch20,25,30,32.5,34.3,40,50,60,62,65mm
Cross bar size5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar) and etc
Cross bar pitch0, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc.
Panel size1mx1m3x20ft,3x24ft,3x30ft,5800x1000,6096x1000,6400x1000, as request
SurfaceUntreated, hot dip galvanized, cold dip galvanized, painted, powder, electrostatic coating
ColorSilver/Black, painted color as required
Applicationpetroleum and chemical, port, power, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, electric power plants, oil

Hot dip galvanized, Untreated, Painting

Manufacturing Process

Square Hot Dip Galvanized Steel Grating


Strap packaging: generally used in neat steel grating.

Screw rod fixation: Using four screws through the steel grating aperture, locking s crew packaging method.

Pallet packaging: Generally for export packing.

Applications of welded steel grating:

1. Platform services in industrial and energy construction.

2. Walkway of bridges and transitions.

3. Shelf of factory and supermarket.

4. Ceiling of factory, house and hall.

5. Gully and well cover of street and huge yard.

6. Fence of balcony, factory and playground.

7. Floor of many places.

Welding Requirements

1. Unless otherwise stated reinforcement and thickness of slab as shown in the drawing shall be adopted

2. All flat and angles are to be fillet welded throughout otherwise stated

3. Size of the drain grating/cover and frame shall be adjusted to fit the size of the drain necessary

4. All penetration and cut-outs will be enlarged to the nearest load bar when they fall within 40mm of that load bar

5. Banded bars are welded 5mm fillet seal weld to every load bar


Yantai Haorui Grating Products supplies the most comprehensive assortment of bar gratings.

Bar gratings are known for applications requiring strength and are used for trenches, stair treads, walkways, and mezzanine levels.

Please refer to a load table and consult an engineer on applications requiring vehicle traffic. Bar grating comes in steel, aluminum, and stainless steel; with different styles and spacing available.

YTHR can also supply bar grating with different finishes: steel bar grating can be galvanized, primer black, or powder coat; and aluminum bar grating can be anodized.