Hot Dip Galvanized Steel Grating/Serrated Bar Grating/Plain Steel Grating/Stair Tread

1.26 years exporting experience
2.OEM service.
3.Material:GB Q235B, ASTM A36
4.Surface:Hot dip galvanized

5.Standard:YB/T4001.1-2007.

6.Bearing bar pitch: 50mm, 100mm. 

7.Cross bar pitch: 30mm, 40mm, 60mm. 

3.Grating type:

Press Locked Gratings, Heavy Duty Gratings, Press welded gratings, Steps, Sun shield gratings, Full gratings, Shelf Gratings, Sawtooth Grating, Super Anti-skid protection and special forms. 

5.Steel Grating Specifications:______________________________________

Special design for certain market:

1) Bearing Bar (Load Bar) Specifications (mm):

The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2) Bearing Bar Pitch (center to center)

12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,

America standard is available :1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4),(19-w-2) and so on.

3) Cross Bar Pitch (center to center):

38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended,

America standard is available.

4) Material:

Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:

Untreated, Painting or Hot dip Galvanizing

6) Steel grating standards:

A) China: YB/T4001-1998

B) USA: ANSI/NAAMM (MBG531-88)

C) UK: BS4592-1987

D) Australia: AS1657-1985

E) Japan: JIS.

3. galvanized hot dip galvanized grating features

(1)Attractive appearance:Simple outline.silver colour,and modern.

(2)Optimum water draining:Water leakage area reaches 83.3%,which is more than two times larger  than that of cast iron.

(3)Hot-dip galvanizing:Good antirust performance,maintenance free and replacement free.

(4)Design of preventing theft:The cover is connected with the frame by gemel,which ensures protection against theft,safety,and convenient opening.

(5)Saving investment:With large span,the cost is lower than that of cast iron when under heavy load.And the replacement expenses in case of theft and crushing will be saved.

(6)High strength:With strength:With strength and toughness far higher than those of cast iron,it can be used in the environment with large span  and heavy load,such as the wharf and the airport.

(7)Many specifications available: The requirement of different environments,loads,spans,sizes and shapes can be satisfied.

Why choice us as supplier?  & Our Advantage

1-We are professional manufacturer. more than 27 years experience in china

2-We guarantee that good quality,prompt delivery,perfect service.

3-We have TQM (Total Quality Management) system to control quality

4-We have an excellent work devoted staff ready to serve our clients round the clock 24x7.

5-The third-party inspection always gets real and true data from us and we will send production

photos to customers if there is no inspection.

6-We follow AISI,ASTM,GB,EN,DIN,ISO and so on, We get ISO and BV certificates,

7-5-10 years warranty depends to different products.

8-Accept Changing or Refunding if the products cannot be installed rightly.