galvanized compound grating

Specifications

galvanized compound grating ,
drainage steel grate,
ISO9001-2000, GRATING SPECIALIST! Mr. David
TEL:+86 13757445098

galvanized compound  grating ,
drainage grate,
trench grate , steel grating

ISO9001-2000, GRATING SPECIALIST! Mr. David Huang

 

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Contact Information:

Mobile:+8613757445098,

TEL:+8657488073967,

Fax: +8657488073962, 

Contact person:  David Huang ,  

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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 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) and so on.>

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: JJS.

 

 

Ningbo Lihong Steel Grating Co., Ltd

ISO9001-2008 & SGS Company

STEEL GRATING SPECIALIST, YOUR GRATING SOLUTIONS

Sales Director: Mr. David Huang, TEL: +86 13757445098, 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)