Model Number: xby-sg070 Brand Name: Xinboyuan Key Specifications/Special Features: Specifications of steel grating:Item description:Bearing bar: 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 75x8mmUS standards:1x3/16, 1 1/4x3/16, 1 1/2x3/16, 1x1/4, 1 1/4x1/4, 1 1/2x1/4, 1x1/8, 1 1/4x1/8, 1 1/2''x1/8''Bearing bar pitch: 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mmUS standardd:19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2Cross bard: 5x5, 6x6, 8x8mm (twisted bar or round bar)Cross bar pitch: 40, 50, 60, 65, 76,100, 101.6, 120, 130mm or as customer’s requirementsFlat bar types: plain, serrated (tooth-like), I bar (I section)Materials: low 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 customer’s requirements
Hot-dipped galvanizing is generally recommended