Product Details

2015 Hot Sale Steel Grating Price/Steel Bar Grating(factory direct)

Product Description

Steel Grating: also steel grating plate, serrated steel grating, steel mesh grating, is lined by load flat steel and horizontal rod alternately in a certain space, welded into primary plate in the high voltage resistance welding machine, then through the deep-processing of such working procedures as cutting, slitting, tapping, bordure, etc.

Specifications of steel gratings
No	Item	Description
1	Bearing bar	20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc.
2	Bearing bar pitch(center to center)	25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.
3	Cross bar(twisted squar bar or round bar)	5x5, 6x6, 8x8mm (twisted bar or round bar)
4	Cross bar pitch(center to center)	40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’ requirement.
5	Surface treatment	Black, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers’ requirement.
6	Flat bar type	Plain, Serrated (tooth-like), I bar (I section)
7	Material standard	Low carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A)
8	Galvanizing standard	CN: GB/T13912, US: ASTM (A123), UK: BS729
9	Steel grating standards	A. China: YB/T4001-1998
		B. USA: ANSI/NAAMM (MBG 531-88)
		C. UK: BS4592-1987
		D. Australia: AS1657-1988
		E: Japan: JJS

Heavy Duty Steel Grating Types: Serrated Steel Grating and Plain Steel Grating.

♣plain type: One of the most wiedly used gratings, available for flooring, sidewalk, drainage pit cover, stair tread, etc.

♣serrated type: Better Non-skid property & safety compared with plain grating.

♣I-shape type: Lighter, more economical and practical comparing with plain grating.

Heavy Duty Steel Grating Surface Treatment:

1. Hot Dipped Galvanized Steel Grating: according to GB/T13912-92 standard :the average zinc thickness is more than 610g/m²(flat bar ≥5mm) and 460g/m²(flat bar <5mm).

2. Painting Steel Grating: according to the clients' requirement, choose japanning dipped coating.

3. No Surface Treatment Steel Grating.

two types of steel grating end pictures: closed-end type and open-end type

Heavy Duty Steel Grating types: plain type steel grating and serrated type steel grating

Heavy Duty Steel Grating Specification:

Bearing Bar pitch	Cross Bar pitch	Specification of bearing bar loadwidth×thickness
Bearing Bar pitch	Cross Bar pitch	20×3	25×3	32×3	40×3	20×5	25×5
30	100	G203/30/100	G253/30/100	G323/30/100	G403/30/100	G205/30/100	G255/30/100
30	50	G203/30/50	G253/30/50	G323/30/50	G403/30/50	G205/30/50	G255/30/50
40	100	G203/40/100	G253/40/100	G323/40/100	G403/40/100	G205/40/100	G255/40/100
40	50	G203/40/50	G253/40/50	G323/40/50	G403/40/50	G205/40/50	G255/40/50
60	50		G253/60/50	G253/60/50	G403/60/50	G205/60/50	G255/60/50
Bearing Bar pitch	Cross Bar pitch	Specification of bearing bar loadwidth×thickness
Bearing Bar pitch	Cross Bar pitch	32×5	40×5	45×5	50×5	55×5	60×5
30	100	G325/30/100	G405/30/100	G455/30/100	G505/30/100	G555/30/100	G605/30/100
30	50	G325/30/50	G405/30/50	G455/30/50	G505/30/50	G555/30/50	G605/30/50
40	100	G325/40/100	G405/40/100	G455/40/100	G505/40/100	G555/40/100	G605/40/100
40	50	G325/40/50	G405/40/50	G455/40/50	G505/40/50	G555/40/50	G605/40/50
60	50	G325/60/50	G405/60/50	G455/60/50	G505/60/50	G555/60/50	G605/60/50

Heavy Duty Steel Grating Production Process:

Acid Washing→Water Washing→Galvanized→Water Washing→Finished Products→Packing

Packaging & Shipping

Heavy Duty Steel Grating Packing & Loading

Tray with iron strip or only iron strip or wooded box, also can be packed by plastic film or according to your need.

Heavy Duty Steel Grating Application:

1. Steel grating is widely used by various plants such as electric power, petroleum, chemical industry, metallurgy industry, machinery industry.
2. Steel grating is also widely used in shipbuilding, harbor, oceanographic engineering, building, paper mills, cement plant, medicine, spinning and weaving.
3. Steel grating is applied in food stuff factory, transportation, municipal administration, parking lot, etc.

Heavy Duty Steel Grating Advantages:

♥Attractive appearance: Simple outline.silver colour,and modern.

♥Optimum water draining: Water leakage area is 83%,which is two times larger than that of cast iron.

♥Hot dip galvanized surface:Good anti-rust performance,maintain free and replace free.

♥Saving investment: With large span,the cost is lower than that of cast iron when under heavy load.

♥High strength:With strength: With strength and toughness far higher than those of cast iron,it can be used in the environment with large span and heavy load,such as the wharf and the airport.

♥Many specifications available: The requirement of different environments,loads, spans,sizes and shapes can be satisfied.