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steel grating plate
steel grating plate
Supplier Info
[China Supplier]
Contact Person : Mr. Zhang Yonghe
Tel : 86-318-7501666
Fax : 86-318-7501555
Product Detail
1.Bearing bar pitch:30,40,60mm 2.Cross bar pitch:50,100mm 3.type:Plain,Serrated,I-shape 4.Hot-dip galvanizing,Painted

There are three kinds of steel gratings distinguished by different bearing bar types. The respective of features are as follows:

1.Plain:One of the most widely used gratings,available for flooring sidewalk,drange pit cover,stair tread,ect.

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

3.I-shape:Lighter,more economical and practical comparing with plain grating.

Sign of steel grating:

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

2.Cross bar pitches can be 38,50,60,100mm,of whitch 50mm & 100mm are recommended.

3.Sign of the shape of bearing bar.

   F  plain type (may be omitted in the symbol of steel grating)

   S  Serrated type

   I   I-shape type

4.Sign of surface treatment

   G  Hot-dip galvanizing(may be omitted in the symbol of steel grating)

   P  Painted

   U  Untreated

 5..Material:aluminum plate,thin low carbon steel plate,stainless steel plate,AL-Mg alloy plate,copper plate,nickel plate.

The most popular specification of steel grating is as follows:

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 most ecnomical & 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 ares of mining.

Material:

1.Bearing bar&cross bar steel grade is Q235 which's in line with GB/T700.Other material can also be used afternegotiation.

2.Hot-rolled flat bar,hot-rolled strip or cold-rolled strip silt by slitting shears are available for bearing bar.

3.Tolerance for the size of hot-rolled flat bar should be in according with the standard of YB/T4001.1-2007.

4.Hot-rolled flat bar,hot-rolled strip or cold-rolled strip silt by slitting shears are avallable for serrated bar.There would be 5 teeth at least within 100mm length.

5.The size of section & processional moment of section should be in according with the standed of YB/T4001.1-2007.

steel grating plate

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