China Galvanized Plain Serrated Steel Grating

Our MEGATRO provide steel grating with specification as follow:
1. Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 X 3 to 100 X 9; 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 to 100 mm etc also are according to client's requirement and 30, 40, 60mm are recommended, and America standard is available.
3. Cross Bar Pitch (center to center):
From18.5 to 101.6mm etc also is according to client's requirement and 50, 100mm are recommended, America standard is available.
4. Steel Grating Material: Mild steel (low carbon steel ASTM A36 or Q235), stainless steel 304 or 316
5. Steel Grating Surface Treatment: Untreated, Painting or Hot Dipped Galvanizing
6. Steel Grating standards:
China: YB/T4001.1-2007
U. S. A.: ANSI/NAAMM (MBG531-88)
U. K.: BS4592-1987
Australia: AS1657-1985
Japan: JJS
7. Hot Dipped Galvanizing Standards:
China: YB/T 13912-2002
U. S. A.: ASTM A123
8 Signs of the shape of bearing bar:
F: Plain type
S: Serrated type
I: I-shape type
Sign of surface treatment:
G: Hot-dipped galvanizing
P: Painted
U: Untreated
Production requirements: As per our client requirements
Lead time: To be discussed by both Buyer and Seller
Origin: Qingdao, Shandong province, China
Payment: TT; L/C
Here also with our Specifications of steel gratings for your references, we also can design for you.

NoItemDescription1Bearing bar20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4...75X8mm, etc. 2Bearing bar pitch20, 25, 30, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. 3Cross bar5X5, 6X6, 8X8mm (twisted bar or round bar)4Cross bar pitch40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement. 5Surface treatmentUntreated, hot DIP galvanized, cold DIP galvanized, painted, powder coated, or as customers' requirement. 6Flat bar typePlain, Serrated (tooth-like), I bar (I section)7Material standardMild carbon steel (CN: Q235, US: A36, UK: 43A)8Galvanization standardCN: GB/T13912, US: ASTM (A123), UK: BS7299Steel grating standardsA. China: YB/T4001-1998B. USA: ANSI/NAAMM (MBG 531-88)C. UK: BS4592-1987D. Australia: AS1657-1988E: Japan: JJS