Hot Dipped Galvanized Metal Floor Grilles , Drainage Tree Cover Steel Mesh Grating

Metal floor grilles hot dipped galvanized steel mesh grating drainage tree cover grating

A. Material:

Low Carbon Steel or Stainless Steel
 

B.Surface Treatment:
Untreated, Painting or Hot Dipped Galvanizing

C.Specifications:

--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.
 

--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.>
 

--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.

Steel grating standards:

A. China: YB/T4001-1998

B. USA: ANSI/NAAMM (MBG 531-88)

C. UK: BS4592-1987

D. Australia: AS1657-1988

E: Japan: JIS

Professional Work shop of drainage trench cover steel grating

Steel bar grating is made by welding with Flat steel and Cross bars with certain distance. As we have more than 20 years experience, so we can guarantee the catwalk steel grating with good welding technique and heavy galvanized coating.We can supply our client high quality catwalk steel grating with best steel grating prices in the market.