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Building Material Galvanized Serrated Grating , Metal Driveway Drainage Grates

Categories Serrated Galvanized Steel Grating
Brand Name: JH Steel Grating
Model Number: Metal Floor Grates
Certification: ISO9001
Place of Origin: Hebei,China
MOQ: 100 pieces
Payment Terms: L/C, T/T, Western Union
Supply Ability: 600Tons / month
Delivery Time: 7-20days
Packaging Details: Steel pallets
Material: Carbon steel, stainless steel
Bearing bar: Flat, serrated, I-bar
Surface Treatment: Hot Dipped Galvanized
Cross bar: Round, twisted, square
Application: Petroleum, Chemical, Port
Bearing Bar Pitch: 30mm, 40mm, 50mm
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Building Material Galvanized Serrated Grating , Metal Driveway Drainage Grates

Building Material Galvanized Serrated Grating , Metal Driveway Drainage Grates


JH Steel gratings consist of a series of bearing bars cross jointed by welding at various intervals with cross bars (twisted square bars, square bars, round bars, flat bars etc., to form a kind of steel products with square lattices among them. Their main applications are drain covers, steelwork platform panels, and steel stair treads.


Steel Gratings Specifications
ItemDescription
MaterialsQ235 / Stainless Steel
Material standardLow carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A)
TypeWelded steel grating, pressure-locked
Bearing bar20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50...75x8mm, etc.

Bearing Bar's Type

F - Plain style
S - Serrated style (tooth-like)
I - I bar style
Beraing Bar Pitch25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.
Cross Bar6mm, 8mm (twisted bar or round bar)
Cross bar pitch40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement.
Surface TreatmentBlack, electro galvanized, Hot dip galvanized, Painted, Powder coated, or as customers' requirement.
Galvanizing standardCN: GB/T13912
US: ASTM (A123)
UK: BS729
StandardsChina: YB/T 4001.1-2007
USA: ANSI/NAAMM(MBG531-88)
UK: BS4592-1987
Australia: AS 1657-1988
Japan: JJS

Common sizes as follow


G303/30/100 G255/30/100 G305/30/100 G505/30/100 G203/30/50 G205/30/100 G255/30/50 G303/30/30 G808/30/100 G605/30/100 G355/30/100 G355/30/50 G325/30/100


Steel Grating is made of flat steel and bars by welding with certain distances. It goes through cutting, opening, edging and other processes. The products enjoy the features of high strength, light structure, high bearing, convenience for loading and other properties. The hot dipped zinc coating gives the product excellent anti-corrosion resistance.


Steel Grating is widely used in the platform, corridor, bridge, well covers, stairs, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering projects and environmental projects.


Bearing bar pitch at 60mm


is especially for mining industrial production, the bearing bar pitch is 60mm, it solved the mineral splash in a hallway behind accumulation problems, often used in mineral mining and processing project . for more save material, is the best choice of condole top


Bearing bar pitch at 30mm


For the checker plate grating of the most commonly used models, the bearing bar pitch is 30mm. conform to the united states ,Australia , japan, and other countries. For this series of checker plate grating are the most dense and have the highest strength ,suitable for all kinds of application.


Bearing pitch at 40mm


For the checker plate grating of the most economic and light model, the bearing pitch is 40mm. accord with Britain, germany, france and japan standards specified fixed platform, aisle and stair step specification . often used in belt corridor ,warehouse shelves , the attic panel , shallow bridge ,guard railing ,sun shading etc.



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