hot dipped galvanising steel grating

Specifications

a.full range in type & dimension
b.largest production capability
c.reliable manufacturer (a state-owned company)

steel grating

 

 

 

1.Comprehensive type and broadest range in dimension.

1.1  Material Q235 , or other equivalent material

1.2  Grating Conformity Standard: YB/T4001, ANSI/NAAMM-MBG531, BS4592, AS1657, JS3101

1.3  Grating Dimension

Load Bearing Flat Bar size	Thickness≥3mm, depth ≥19mm
	19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5…..40X6, 40X8, 40X10,….90X6….
Pitch of Load bearding flat bars(mm)	12.5,15, 20, 30, 30.6,  32.5, 34,  34.8,  35.3, 40, 60, 80……
Pitch of cross bars(mm)	38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102……

The sizes and dimension is not limited to above.

1.4  Grating type: flat bar: plain type, plain I type, serrated type, serrated I type; cross bar: round type and square twisted type.

 

 

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

Type	Welded steel grating, pressure-locked, socket-welding
Steel flat size	20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5……45×5mm
Beraing bar pitch	12.5,15,20,25,30,35,40,50mm
Cross bar pitch	38,50,80,100mm
material	Low carbon steel, stainless steel, aluminium
Surface treatment	Untreated, hot galvanized, painted
Standards	China: YB/T 4001.1-2007 USA: ANSI/NAAMM(MBG531-88) UK: BS4592-1987 Australia: AS 1657-1985

 

 

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