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manhole cover and frame

Basic Info

Model No.: ALL

Product Description

Specifications Specilized in manhole cover and frame, trench grate, drain grating.

ISO9001-2000COMPANY,Mr. David, Mobile:+ 86 13757445098

  Specilized in manhole cover and frame, trench grate, drain grating.

ISO9001-2000COMPANY, GRATING SPECIALIST, GRATING SOLUTION!   ------------------------------------------------------------------------------------------   Contact information:   Mobile:008613757445098,      TEL:008657488073967, Fax: 008657488073962, Contact person: David Huang. $$         We design and manufacture many kinds of Steel Gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating, I Bar Type Steel Grating and other gratings. They are widely used in steel structure platforms, Stair Treads, sidewalks, drainages and Well Covers etc. We also supply 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 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 but 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),(11-w-4)  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 ASTM A36 or Q235) ,Stainless Steel 304 or 316  
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: JJS.       Ningbo Lihong Steel Grating Co., Ltd ISO9001-2008 STEEL GRATING SPECIALIST, YOUR GRATING SOLUTIONS Sales Director: Mr. David Huang, TEL: +86 13757445098, +86 574 88073967, FAX: +86 574 88073962

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       (Mr. David Huang)

 

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.                 (Mr. David Huang)

 

3

Twisted Cross Bar Pitch

38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc                            (Mr. David Huang)

 

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              (Mr. David Huang)

 

6

Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar                              (Mr. David Huang)

 

7

Standard

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

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

Germany: DIN24537-1-2006, Japan: JIS                                                   (Mr. David Huang)

       

Contact us if you need more details on Manhole Cover and Frame. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Trench Grate、Drain Cover. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Well Covers