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Steel Grating

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Stair Tread

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Steel Grating:

Steel Grating is also calledsteel grate, steel grate mesh or metal grid mesh. It is madeby stainless or mild steel of certain sizes through the processing ofgrooving, lock-pressure, welding, finishing and other treatment. Galvanizedsteel grating is the mostly used one due to its economic cost and goodproperty.

Steel Grating

Material: Mild Steel (Low carbon steel) / Stainlesssteel

Steel gratingtypes:

There are threekinds of steel gratings distinguished by different bearing bar types.

The respective offeatures are as follows:

Plain: the mostwidely used gratings, available for flooring sidewalk, all kinds of ditchcover, Stair Tread, etc.

Serrated: bestnon-skid property & safety compared with plain grating.

I-shape: lighter,Not substantially weaken the case of load capacity more economical andpractical comparing with plain grating.

 

Steel grating standards:

 

Standards

Steel Grating Standard

Steel Material Standard

HDG Coating Standard

China

YB/T4001.1-2007

GB700-88 

GB/T13912-92

USA

ANSI/NAAMM(MBG531-88)

ASTM-A36

ASTM-A123

UK

BS4592-1987

BS4360(43A)

BS729

Australia

ASl 657-1992

AS3679

ASl650

 

CommonSpecifications with charting:

 

Parameters

Data

Bear Bar Type

Flat Bar, I-Bar, Serrated Bar, etc..

Bearing Bar Size

20x5mm, 25x3mm, 35x5mm, 40x5mm, 50x5mm, 60x5mm, etc..

Bearing Bar Spacing

20mm, 25mm, 30mm, 33mm, 40mm, 43mm or multiplier.

Cross Bar Type

Twisted Steel Rod, Flat Bar

Cross Bar Size

3mm, 4mm, 5mm ,6mm or thicker

Cross Bar Spacing

50mm or 100mm

Bearing Bar Length

Customerized from 1000mm to 6000mm or more

Cross Bar Length

Under 1200mm

Material Grade

Mild Steel(Q235B), Stainless Steel 304 or 316, etc.

Treatment Available

Hot dipped Galvanized, Anodized, Polished and Powder Coated

 

Application: Steelgrating can be widely used in petrochemical,water plants, sewage treatment plants, 

municipal engineering, environmental engineering and other fields of platforms, walkways, steelgrating bridge, ditch cover, covers, ladders, fences and railingsetc. 

 




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