Black Steel Grating

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Black Steel Grating

Product details

Black steel grating is made by welding with flat steel of serrated steel and bars with certain distance. And the surface of the steel grating is untreated. It goes through cutting, edging and other processes. The products enjoy the features of high strength, high strength, light structure, high bearing, convenience for loading and other properties.

Variety:plain/flat steel grating,serrated steel grating.

Specification:1000mmx1000mm,1000mmx2000mm,1000mmx5800mm etc.

Opening:323/30/100mm,325/40/100,253/30/100mm,255/40/100mm

Black Steel Grating


No.ItemDescription
1Bearing Bar25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10,100x10mm etc;US standard: 1'x3/16', 1 1/4'x3/16', 1 1/2'x3/16',1'x1/4', 1 1/4'x1/4', 1 1/2'x1/4', 1'x1/8', 1 1/4'x1/8', 1 1/2'x1/8' etc.
2Bearing Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
3Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2' & 4' etc
4Material GradeASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc
5Surface TreatmentBlack, self colour
6Grating StylePlain / Smooth surface,serrated surface.
7StandardChina: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK: BS4592-1987,  Australia: AS1657-1985, Japan:JIS
8Application-Rotation ways, channels, and platforms for pump rooms and engine rooms in various ships;-Flooring in various bridges such as railway bridge sidewalks, over-bridges across the street;-Platforms for oil extraction sites, car washing sites and air towers;-Fencings for car-parks, buildings and roads; drainage trench covers and drainage pit covers for high strength.



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