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Flooring Serrated Welded Steel Grating Hot Dip Galvanized Stair Tread Long Life

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Flooring Serrated Welded Steel Grating Hot Dip Galvanized Stair Tread Long Life

Country/Region china
City & Province hebei
Categories Metal Building Materials
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Product Details

Flooring Hot Dip Serrated Galvanized Welded Steel Grating Stair Tread Long Life

 

Welded Steel Grating Introduction:

Description:Steel Bar Gratings are manufactured with the world’s first-class computer-controlled pressure resistance welding machine by electro-forging the twisted square-steel into flat steel.Steel Bar Gratings are classified into three styles,namely plain style,serrated and I style as per the upper edges of bearing bars .More than 200 varieties are available based on specifications and spacing of bearing bars ,and that of cross roda.Different protective treatment can be made on the surface as environment varies.

Name

Welded Steel Grating

Application

For gasoline refinery

Standard

ASTM A121 Standard

Weight(kg/square meter)

36.2

Color

Silver

Feature

 Firm & Stable

Series

G255/30/50

Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar

Surface Treatment

Black, self colour, hot dip galvanized, painted, spray coating

Material Grade

ASTM A36

 

Welded Steel Grating Standard:

Steel grating standard

Steel standard

Hot dipping zinc standard

China YB/T4001.1-2007 (lateststandard)

China GB700-88

China GB/T13912-92

US ANSI/NAAMM (MBG531-93)

US ASTM(A36)

US ASTM(A123)

British BS4592-1:1995

British BS360(43A)

British BS729

Australian AS1657-1992

Australian AS3679

Australian AS1650

 

Welded Steel Grating Specification: 

No.

Item

Description

 

1

Bearing 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

 

2

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.

 

3

Twisted Cross Bar Pitch

38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

 

4

Material Grade

ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400,

Mild steel & Low carbon steel, etc

 

5

Surface Treatment

Black, self colour, hot dip galvanized, painted, spray coating

 

6

Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar

 

7

Standard

China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),

UK: BS4592-1987, Australia: AS1657-1985,

 

Welded Steel Grating Applications:

Power plant;

Chemical plant;

Oil Refinery;

Steel plant;

Machinery plant;

Paper-making factory;

Cement plant;

Civil engineering;

Wastewater treatment;

Pharmacy industry;

Food processing.

 

Welded Steel Grating Feature: ​

1. High strength, light structure: solid grid pressure welding structure has advantages of high load, light structure, easy installation, etc.

2. Fine appearance, durable in use: hot zinc dipping surface treatment makes it own fairly good corrosion resistance, bright and beautiful surface.

3. Good ventilation, lighting, thermal, anti-explosion, and anti-skid performance.

4. Prevent dirt deposition.

 

 

 

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