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Special Shaped Steel Grating

Specialshaped steel grating ( or special steel grating ) issteel grating processed into irregularly shapes or designs to meet variousapplication conditions. Steel grating can be made or assembled into round, trapezoidal,semicircular, fan-shaped.

Application:

Special shaped steel grating is suitablefor building materials, power plants, boilers, shipbuilding, petrochemical,chemical and general industrial plants, municipal construction and otherindustries.

 Onetypical example of special steel grating is circular trench covers.


special steel gratingspecial bar gratingshaped steel grating

Specifications of Special Shaped Steel Gratings
No Item Description
1 Bearing bar 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc.
2 Bearing bar pitch 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.
3 Cross bar 5x5, 6x6, 8x8mm (twisted bar or round bar)
4 Cross bar pitch 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement.
5 Surface treatment Untreated, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers’ requirement.
6 Flat bar type Plain, Serrated (tooth-like), I bar (I section)
7 Material standard  Low carbon steel (CN: Q235, US: A36, UK: 43A)
8 Galvanization standard CN: GB/T13912, US: ASTM (A123), UK: BS729
9 Steel grating standards A. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988

Special Shaped Steel Grating