Stair Tread Power Plant Platform Driveway Steel Outdoor Drain Grating Hot Galvanized

Place of Origin:China

Brand Name:GNEE

Certification:SGS

Price:Negotiable

Payment Terms:Negotiable

Supply Ability:100 ton/week

Product Details

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hot galvanized steel grating

outdoor driveway drain grating

stair tread power plant grating

Product Description

Stair Tread Power Plant Platform Driveway Steel Outdoor Drain Grating Hot Galvanized

Steel bar grating with high strength and firm structure is made up of carbon steel, aluminum steel, or stainless steel. According to the manufacturing methods, it can be divided into four types: welded, press-locked, swage-locked, and riveted gratings. According to the surface shapes, it can be divided into smooth and serrated gratings. With various styles and sizes for choice, steel gratings are widely used in everyday life, such as stair treads, walkways, platforms, floors, various covers, wheeled equipment, security screens, heavy-duty constructions, and so on.

Product Features

Structure: Welding with flat steel and cross/round bars with certain distances
Features: High strength, light structure, high bearing capacity
Surface: The hot dipped zinc coating gives the product excellent anti-corrosion properties

Steel Grating Specification

Load Bearing Flat Bar size	Thickness≥3mm, depth ≥19mm
Available Sizes	19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5.....40X6, 40X8, 40X10,....90X6....
Pitch of Load bearing flat bars(mm)	12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80...
Pitch of cross bars(mm)	38.1, 50, 50.8, 70, 75, 80, 99,100, 101.6, 102...

Hot galvanized steel grating product sample

Steel Grating Standards

Country	Steel grating standard	Steel material standard	Hot galvanizing standard
China	YB/T4001-1998	GB 700-88	GB/T13912-2002
USA	ANSI/NAAMM(MBG531-88)	ASTM (A36)	ASTM(A123)
England	BS4592-1987	BS4360 (43A)	BS729
Australia	AS1657-1992	AS3679	AS1650

Detailed Specifications

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	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

Product Summary

Stair Tread Power Plant Platform Driveway Steel Outdoor Drain Grating Hot Galvanized Steel bar grating with high strength and firm structure is made up of carbon steel, aluminum steel, or stainless steel. According to the manufacturing methods, it can be divided into four types: welded, press-locked...

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