Factory ASTM A24 Serrated Steel Grating Bar Grating in Good Price

• Application: Steel Structure Walkway, Drain Cover
• Shape: I Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Thickness: 2mm, 2.5mm 3mm, or as Customer Request
• Bar Pitch: 30mm
• Model NO.: YQ-522
• Bar Height: 25mm, 30mm, etc
• Length: 0.2m-12m, or as Customer Request
• Transport Package: Plastic Packing,and Then Pallet,or as The Customer
• Specification: ASTM24
• Trademark: YAQI
• Origin: Anping, Hebei China
• Production Capacity: 10000pieces/Month

Product Description

                       Factory ASTM A24 Serrated Steel Grating Bar Grating

                                         
1.steel grating is also called road drainage grates )  -- Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
 
 
2.steel grating specification-  galvanized  road drainage grates
panel size available(black grating): 1000x5800mm or 1000x6000mm
 

Bearing bar pitch	Cross bar pitch	load steel size ( Width ×Thickness)
		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
	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
	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	load steel size (Width ×Thickness)
		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
	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
	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

3. Anping metal walking grates introduction-- galvanized road drainage grates

Bearing bar type	Flat bar	I bar	Serrated bar
Cross bar type	Twisted bar	Round bar	flat bar
Production process	welded	Pressure locked
Surface treatment	Self-colour	Galvanized	painted
application	Platform	walkway&floor	Trench cover	Steel stair treads
	Suspended ceiling	Barrier fence

 bearing bar types:
 
 
 
 surface treatment: mill finish,hot dip galvanized,painted
4.steel grating standard--  galvanized  road drainage grates

Steel Grating  Standard
	Steel Grating Standard	Steel Standard	Galvanizing Standard
China Standard	YB/T 4001.1-2007	GB700-88	GB/T13912-2002
USA Standard	ANSI/NAAMM (MBG531)	ASTM (A36)	ASTM (A123)
U.K. Standard	BS4592	BS4360 (43A)	BS729
Australia Standard	AS1657	AS3679	AS1650
Deutsche Standard	DIN24537	DIN17100-80	DIN50976

 5  galvanized trench grating manufacturer process
 6 road drainage grates --steel grating application
 
GU trench cover grating
 
GT heavy duty drain grate  grating        
GM heavy duty drain grate  grating
car parking STEEL GRATING FOR CAR PARK LINEAR DRAINAGE channel grating
heavy duty drain grate  WITH FRAME
trench cover grating
Specifications:

Steel grid materia: Low carbon steel

Steel grid finish treatment: Hot dip galvanized

Certificate: ISD9001: 2008


STEEL GRID

Processing: By the load flat steel bar and with a certain amount of different warf and weft
High pressure resistance welding machine from the original plate welding, cutting


We produce 3 kinds of steel grating, they are plain style steel grating, serrated style steel grating, and I bar style steel grating, ther are widely used in steel structure, platforms, stair treads, sidewalks. Draiages and well covers.

NO.	item	desciption
	bearing bar	25*3,25*4,25*5,30*3,30*4,40*5,50*5mm,75*6mm,75*10mm
	bearing bar pitch	12mm.15mm.20mm,25mm,30mm,35m,40mm,60mm,80mm
	cross bar pitch	38mm,56mm,50mm,60mm,80mm,100mm