Model Number: xby-sg037 Brand Name: Xinboyuan Key Specifications/Special Features: Specifications of steel grating:Items:Descriptions:Bearing: bar 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5 and 50/75x8mmUS Standards:1x3/16'', 1 1/4x3/16'', 1 1/2x3/16'', 1x1/4'', 11/4x1/4'', 11/2x1/4'', 1x1/8'', 11/4x1/8'' and 11/2x1/8''Bearing bar pitch: 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62 and 65mmUS standards:19-w-4, 15-w-4, 11-w-4, 19-w-2 and 15-w-2Cross bar: 5x5, 6x6 and 8x8mm (twisted bar or round bar)Cross bar pitch: 40, 50, 60, 65, 76, 100, 101.6, 120 and 130mm or as customersrequirementsFlat bar type plain, serrated (tooth-like), I bar (I section)Materials: slow carbon steel (Q275/Q235/Q195, ASTM A36, A1011, A569, S275JR, SS304, SS400, UK: 43A) stainless steel and aluminum alloyGalvanizing standards CN: GB/T13912, US: ASTM (A123), UK: BS729 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: JJS surface treatment
Black, electro galvanized (cold dip galvanized), hot-dippedgalvanized, painted, powder coated or as customersrequirements
And hot-dipped galvanizing is generally recommended
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