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Steel Grating Description:

(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 be according to client's requirement and 30, 40, 60mm are recommended, America standard is available

(3) Cross Bar Pitch (center to center): from18.5 to 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.

(4) Steel Grating Material:Q235 Steel or stainless steel grating.

(5) Steel Grating Surface Treatment: Untreated, Painting or Hot Dipped Galvanizing

(6) Steel Grating standards:

(A) China: YB/T4001.1-2007
(B) U.S.A.: ANSI/NAAMM (MBG531-88)
(C) U.K.: BS4592-1987
(D) Australia: AS1657-1985
(E) Japan: JJS
(7) Hot Dipped Galvanizing Standards:
(A) China: YB/T 13912-2002
(B) U.S.A.:ASTM A123

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