galvanized steel grating bridge

Specifications

galvanized steel grating bridge  ,,

Our company is specialized in manufacturing and exports all kinds of steel gratings with the best quality and  competitive price and faster delivery time such as steel / mill black and hot dip Galvanizing / and stainless grating flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.

1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 5 to 75 x 8mm;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):
,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, 50,60mm are recommended,

America standard is also 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), (11-w-4), (8-w-4) and so on.>

3) Cross Bar Pitch (center to center): 
40,50, 50.16,65,76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.

4) Steel grating Material:
Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:
Untreated, Painting ,Powder coated 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: AS1657-1988
E) Japan: JJS.

If you are interested in our products please kindly send us all necessary(including specification, dimension, draft or drawing), and then we will quote the best price for you ASAP.

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Sales Director: Mr. David Huang, 

Tell:0086-574-88073967.

Mobile: 008613757445098 ,

Fax:0086-574-88073962 

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Ningbo Lihong Steel Grating Co., Ltd

ISO9001-2008 COMPANY

STEEL GRATING SPECIALIST, YOUR GRATING SOLUTIONS

Sales Director: Mr. David Huang, TEL: +86 13757445098, +86 574 88073967, FAX: +86 574 88073962