Road Construction Equipment

Hot Dip Galvanized Steel Grating- GI Steel Grating For Steel Fence

    Bearing bar pitch (mm): 30, 34.3, 40 & 60

     

    Cross bar pitch: 100, 76, 50

     

    Standards: YB/T4001.1-2007, BS4592, AS1657

Specifications of Hot Dip Galvanized Steel Grating:

1) The shape of bearing bar: Plain type (may be omitted in the symbol of steel grating), Serrated type and I-Shape type

2) Bearing bar pitches can be 12.5, 15, 20, 30, 30.16, 32.5, 34.3, 40, 60mm, of which 30mm & 40mm are recommended

3) Cross bar pitches can be 38, 50, 60, 100mm, of which 50mm & 100mm are recommended

4) Surface treatment: Hot-dip galvanizing, paint or other anti-corrosive coatings are available, of which hot-dip galvanizing is generally recommended

5) Material: Q235 in line with GB/T700 steel

6) Tolerance

The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm.

The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar.

Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not surpass the end surfaces of two sides of grating 2mm.

7) Standard:



Steel Fence is a newly designed fence, which is flexible, aesthetically pleasing and highly secure 

compared with palisade fencing or chain link fencing, thus is widely used in airport, railway, garden 

and residence to provide security and prevent unwelcome visitors.
Galvanized steel grating is widely used in most general industrial plants as well as commercial 

buildings, it has wide applications as walkways, platforms, safety barriers, drainage covers and 

ventilation grates. It is also ideal for use as mezzanine decking since it supports the same loads as 

comparable solid flooring. More than that, its cost saving openness maximizes the circulation of air, 

light, heat, water and sound, while promoting cleanliness.


Material: carbon steel
Surface treatment: hot-dipped galvanized



Features of Steel Grating:
1) Can be purchased in stock sizes or custom fabricated to meet the project specifications. 
2) Excellent load bearing capabilities
3) Ventilation of air, light, sound
4) Don’t collect Liquid and debris 
5) Long service life
6) Wide range of open areas
7) Galvanized steel grating has an unmatched surface. It is also a permanent replacement for slippery serrated and plain grating. 
8) It's available in many different styles and spacing options to meet a variety of needs and applications.
9) Anti-theft design: the cover and the frame is joint with hinge offering security, safety and open convenience.

10) High strength: the strength and the toughness are much higher than cast iron. It can be used for terminals, airport, other large-span and heavy loading condition.






The most popular specifications of Steel Grating:

1) Steel grating with 30mm bearing bar pitch is the most widely used in industrial area. Among the general series, it maintains the strongest resistance to impulsive force.

2) Steel grating with 40mm bearing bar pitch is one of the most economical & lightest types. It should be the best choice to customer on the occasion when the clear span is small.

3) Steel grating with 60mm bearing bar pitch & 50mm cross bar pitch is developed specially for mining industry. As it can avoid the mineral splashing down on board, it’s appointed to use in fabrication plant, transfer terminal & other areas of mining.


Steel Grating Saddle Clip:

Type A saddle clip- composed of a top board with double hooks, a holding down plate with teeth and M8 inner-hexagon-bolt.

Type B saddle clip- composed of a top board with double hooks (one of hooks can draw together the two neighboring steel gratings), and a holding down plate with teeth and a M8 inner-hexagon-bolt.

Type C saddle clip-composed of a top board with double hooks and a M8 hexagon-bolt can be welded in supporting structure 


Instruction of Selecting Steel Grating:

 

1) Light & medium duty                                Maximum recommended spans

2) Heavy duty                                        Maximum recommended spans

 

Manufacturing of Steel Grating

Material Welding Cutting End plate welding Surface treatment Final shipment 

Packaging of Steel Grating

Shanghai Metal Products are packed and labeled according to the regulations and customer’s requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I.D. and quality information.

1) Shanghai Metal Standard

2) Customization


Shanghai Metal provides standard seaworthy packaging to our global customers to avoid damage during the delivery prcess. We can also meet the customers' requirement to pack the goods. In general our product have a wooden pallet and fixed by flat steel strip.

Applications of Steel Grating:

Steel grating can be used in the fields of 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.

1) Plain: one of the most widely used gratings, available for flooring, sidewalk, drainage pit cover, stair tread, etc.

2) Serrated: Better non-skid property & safety compared with plain grating

3) I-shape: lighter, more economical and practical comparing with plain grating

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