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Standard Steel Grating

Standard steel grating, also known as Open Steel Grating , usually has a length ranging from 1000mm to 7500mm and a width ranging from 993 to 1000mm. Bearing Bars range from 20*3mm to 150*10mm. The surface is flat or serrated, and the surface treatment is galvanized, painted or untreated.

Technical Parameters

Common Specification Of Steel Grating
Material StandardASTM A36, A1011, A569, Q235, S275JR,Stainless steel 304, Mild steel & Low carbon steel, etc
Bearing Bar(width*thickness)25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6,  75x10…..100 x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 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
Bearing 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 etc. US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
Cross Bar TypeRound Steel:φ6、φ10、φ12 etc. Twisted square steel:φ6、φ8、φ10 etc. Bearing Bar:10X2mm、20X2mm、30X3mm etc.
Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc
Surface treatmentuntreated(black), hot-dipped galvanized ,powder coated, electroplate, painting or as per customers' requirement.
Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar


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