描述

Steel Grating Type

1.Plain type:

One of the most wiely used gratings, available for flooring, sidewalk, dranage pit cover, stair tread, etc

2.Serrated type:

Better Non-skid property & safety compared with plain grating

3.I-shape type

Lighter, more economical and practical comparing with plain grating

Steel Grating More detailed information

No.	Item	Description
1	Bearing Bar	25×3, 25×4, 25×4.5, 25×5, 30×3, 30×4, 30×4.5, 30×5, 32×5, 40×5, 50×5, 65×5, 75×6, 75×10—100x10mm 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
2	Bearing Bar Pitch	12.5, 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.
3	Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2” & 4” etc
4	Material Grade	ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400,
		Mild steel & Low carbon steel, etc
5	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating
6	Grating Style	Plain / Smooth, Serrated /teeth, I bar, serrated I bar

Steel Grating Standard

Customized Gratings