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.
5. Steel Grating Surface Treatment: Untreated, Painting or Hot Dipped Galvanizing.
①China: YB/T4001.1-2007
②U.S.A.: ANSI/NAAMM (MBG531-88)
③U.K.: BS4592-1987
④Australia: AS1657-1985
⑤Japan: JJS
7. Hot Dipped Galvanizing Standards:
①China: YB/T 13912-2002
②U.S.A.: ASTM A123
