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High Precision Floor Forge Walkway Steel Grating Architectural Metal 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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High Precision Floor Forge Walkway Steel Grating Architectural Metal Grates

High Precision Floor Forge Walkway Steel Grating Architectural Metal Grates


There are 4 shapes of bearing bar as following:


1. Plain type: One of the most wiely used gratings, available for flooring, sidewalk, dranage pit cover, stair tread, etc.

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

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

4. Serrated I bar: Better Non-skid property & safety comparing with I bar grating.


Specification


ItemDescription

Bearing bar

> Flat Bar: 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc;
> I Bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc;
> US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc

Bearing bar pitch

> 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc
> US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc

Noted:19-W-4 is most popular (19/16 inch x 4 inch opening = 30x100mm opening)

Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

Material Grade


ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400,
Mild steel & Low carbon steel, etc
Surface TreatmentBlack, self colour, hot dip galvanized, painted, spray coating
Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar

Standard

China: YB/T 4001.1-2007,

USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987,

Australia: AS1657-1985,
Germany: DIN24537-1-2006,

Japan :JIS


Sign of the shape of bearing bars:


F- Plain style

S- Serrated style

I- I-section style


Sign of surface treatment:


G- Hot galvanizing (it is recommended)

P- Painted

U- untreated


Applications


- flooring steel gratings

- stair treads

- sun shades

- drain covers

- security screen

- manhole covers

- mezzanine flooring

- earth mats

- shelving

- Stanchions (hand rails)

- trench covers


Standard steel grating supplied is manufactured with a resistance-weld process using heat and pressure. Crossbars are fused to bearing bars to assure maximum strength.


Features


Intensity, light structure: strong grid bonding structure makes it with high load, the structure characteristics, facilitate hoisting light; Beautiful appearance, durable: hot-dip galvanized surface treatment make it fairly good corrosion resistance, the surface luster beautiful; Ventilation, lighting, heat dissipation, explosion-proof, prevent slippery properties is good; Deposition prevention dirt.



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