Bar Grating: Unleashing Versatility and Strength

Marine bar grating is a specialized type of flooring or decking material composed of parallel bars or crossbars that are welded or locked together at their intersections. It forms a rigid and durable structure with an open grid design, allowing for the passage of air, light, and liquids while providing excellent support and load-bearing capabilities.

Steel Bar Grating

  • Spacing:12.5,15,50,30,30.16,32.5,34.3,40,60mm

Marine steel bar grating is a type of metal grating that is widely used in various industrial, commercial, and architectural applications.

The stee bar grating with a flat steel spacing of 30mm is the most widely used variety in the industrial field, and has the strongest resistance to surface impact in the series of commonly used steel bar grating.

The steel bar grating with a flat steel spacing of 40mm is the most economical and lightweight variety. In the case of small span, it is the most ideal choice.

Flat steel spacing of 60mm. The metal grating with 50mm bar spacing is specially developed for the application of the mining industry, which solves the problem of mineral sputtering on the plate surface, and is often designated for the processing plant, transfer station and crushing system of the mining industry.

Bar Grating Stair Tread

The marine bar grating stair tread also called floor grate often used for marine ladders , is made of steel grid plate, which is widely used in all kinds of steel structure stairs.The floor grate is convenient to install and maintain, beautiful to lock back and no water accumulation. Floor grate can be customized according to customer needs.

Recommended Floor Grate Width (based on 5mm thick flat steel)

Type

Width

Width

Width

Width

Width

Width

Width

T1-T6 Series 1

125

155

185

215

245

275

305

T1-T2 Series 2

125

165

205

245

285

325

T3-T4 Series 2

115

155

195

235

275

315

T1-T2 Series 3

185

245

305

T3-T4 Series 3

155

215

275

The Maximum Size Of The Bar Grating Stair Tread Is Recommended

Flat Steel Dimension

25*3

25*5

32*5

40*5

Series 1

550

900

1300

1800

Series 2

450

750

1200

1500

Series 3

550

850

1350

  • Type:ZT1
  • Front guard: No front guard
  • Installation mode: welded 
  • Type:ZT2
  • Front guard: No front guard
  • Installation mode: bolting
  • Type:ZT3
  • Front guard: Patterned front guard
  • Installation mode: welded
  • Type:ZT4
  • Front guard: Patterned front guard 
  • Installation mode: bolting

Bar Grating Stair Tread Bolt Hole Center Distance

Type

Distance

Distance

Distance

Distance

Distance

Distance

Distance

Bolt hole center distance A

45

75

75

100

100

150

150

Composite Steel Bar Grating

  • Base bar grating material type:FG323/40/100,FG253/30/100,FG323/60/100

The marine composite steel bar grating often used as marine gangway is composed of a pattern plate on the sealing surface and a steel grid plate with a certain span ability.

Composite metal grating after hot dipping zinc treatment, due to thermal stress will produce warping deformation, especially the selection of larger models of steel grid, leveling is more difficult, please pay attention to selection.

Composite Steel Bar Grating Installation Method

  • directly weld the steel grid plate or step plate on the supporting steel structure, and brush the welding place twice zinc rich powder paint.
  • with the metal grating plate special installation clip installation, does not destroy the galvanized layer, easy disassembly, each set of installation clip including an upper clip, a lower clip, M8 round head bolt and nut each.
  • Fastening methods such as stainless steel installation clip or bolt connection can be provided as required.
  • metal grating installation clearance is generally 100mm.
  • be sure to note that the installation is solid and reliable, should be checked frequently to prevent the installation clip loose off, close to the vibration of the steel grid plate is best welded or added rubber pad.

Composite Steel Grating For Sale

Numbering

Type

 Specification

Quantity

Remark

Special-shaped plate

Length

Width

block

A1

FF3(FG253/30/100)

/

900

993

1

Galvanize

A2

FF5(FG323/80/100U)

Special-shaped plate

800

993

1

Not process

Marine Stainless Steel Grating

  • Material Type:304,316,301

Suitable Enviroment

  • The marine stainless steel grating use of harsh environment, need acid, alkali corrosion occasions (such as chemical plants, environmental protection equipment, etc.).
  • Occasions with high hygiene requirements “pharmaceutical, food processing”.
  • Stainless steel plate occasions with high appearance requirements (such as shopping malls, landscapes).

Stainless Steel Surface Status

  • Hot rolled stainless steel grating after pickling passivation, the surface of the finished product is matte white.
  • Cold drawn marine stainless steel grating made into finished products after heating treatment, the surface has a certain finish, but the welding dimension needs to be treated with special liquid medicine.
  • Cold drawn stainless steel grating made into finished products after heating and polishing treatment, the finished product surface finish is higher.
  •  Cold-drawn marine stainless steel grating is made into finished products by heating and polishing treatment, and then electrophotochemical treatment such as chrome plating can achieve the mirror finish effect.

Fiberglass Grating

  • Material:Polyester resin
  • Standard:Comply with ASTM(American Society for Testing Materials)E-84 standard Fire Class 1, indicator 25 or lower ethylene resin/Comply with ASTM(American Society for Testing Materials)E-84 standard fire Class 1, index 25 or lower carbonated resin

Marine fiberglass grating is a modular, fiber-reinforced plastic grille. It is available in standard sizes or cut to customer-specified sizes. The horizontal and vertical cross structure design can effectively disperse the force, so the glass fiber grating designed in the square shape provides excellent force capacity. High density fiber materials provide maximum corrosion protection for many industries. Fiberglass grating is available in standard size designs of 1220× 3660mm.

Performance characteristics

  • The integrated molding design structure improves the carrying capacity.
  • The cross-designed bearing structure, dispersed the force, greatly improve the bearing capacity.
  • Smooth and greasy surface is not easy to resist the adhesion of dirt.
  • Excellent marine fiberglass grating has fine glass fiber and polyester resin cross which tightly interwoven together, providing excellent anti-corrosion ability.
  •  The hollow area reaches 70%.

Overall, marine bar grating is a versatile and reliable component of marine hardware, offering safety, durability, and functionality in demanding marine environments.

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