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5x5 Galvanized Serrated Bar Grating Q235

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Hebei Gabion Hardware and Mesh Co.,ltd

5x5 Galvanized Serrated Bar Grating Q235

Country/Region	china
City & Province	hengshui hebei
Categories	Metal Building Materials

Product Details

Heavily Galvanized Silver Serrated Bar Grating For Ladder stairs

Serrated Steel Grating introduction:

Steel grating is a kind of widely used grid products. They are used in various industrial fields and has the strongest resistance to surface impact.

According to the shape of the surface,they can be divided into tooth-shaped steel grating, pressure welded steel grating, I-type steel grating and composite steel grating.
According to the surface treatment,they can be divided into hot-dip galvanized steel grating, spray paint steel grating, stainless steel grating and original steel grating.

Galvanized serrated bar steel grating types:

There are mainly four types bearing bars as belowing which are frequently used for steel gratings.

Here we mainly introduce the I bar gratings. Same as normal bearing bars, there are two type of the I bars, plain type I bar and serrated type I bar. The main advantage of I bar steel grating is it is with high strength – to- weight ratio.

Surface treatment of galvanized serrated bar steel grating:

1) Hot dip galvanized as per ASTM A123 or EN ISO 1461 or special requirement

2) Painted or Powder Coated

3) HDG plus painted/powder coated

Galvanized serrated bar grating size:

No.	Item	Description
1	Bearing bar	25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---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	Cross bar	55,66,8*8mm(twisted bar or round bar)
4	Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc
5	Material Grade	ASTM A36,A1011,A569,Q235,S275JR,SS304,SS400, Mild steel & Low carbon steel,etc.
6	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating
7	Flat bar type	Plain,Serrated(tooth-like),I bar (I section)
8	Standard	China:YB/T 4001.1-2007,USA:ANSI/NAAMM(MBG531-88), UK:BS4592-1987,Australia:AS1657-1985, Germany:DIN24537-1-2006, Japan:JJS.

Applications of galvanized serrated steel bar grating:

Steel Gratings are widely used for platform walkways flooring in power plant,boiler,paper making machines,coating equipments,oil and gas projects,offshore/onshore projects, etc.