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1.what is steel grating ?( parking lot grate )Â Â -- 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.
  
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2.steel grating specification-Â Â Â Â Steel Material water drainage steel gratingÂ
 panel size available(black grating): 1000x5800mm or 1000x6000mm ,7315*1000mm
 
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Bearing bar pitch Â
  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
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G253/60/50
G253/60/50
G403/60/50
G205/60/50
G255/60/50
Bearing bar pitch Â
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--Â Â Â parking lot grate
Bearing bar type
Flat bar
I bar
Serrated bar
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Cross bar type
Twisted bar
Round bar
 flat bar
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Production process
welded
Pressure locked
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Surface treatment
Self-colourÂ
GalvanizedÂ
painted
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application
PlatformÂ
walkway&floor
Trench cover
Steel stair treads
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Suspended ceiling
Barrier fence
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 bearing bar types:
serrated type,I type,plain typeÂ
 surface treatment: mill finish,hot dip galvanized,painted
4.steel grating standard--Â Â Â parking lot grate
Steel Grating  Standard
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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
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6.our company profile
Hebei Jiuwang Metal Wire Mesh Co.,Ltd.(original Anping County Jintai Metal Mesh Co.,Ltd.).Established in 1992,our company is a manufacturer of large steel structure and steel gratings,integrating development,production and distribution.The company register capital is 10,080,000 Yuan,and take an area of 34,680 square meters.In 2003,we have got the ISO9001:2000 certification by BQR.
7.CHOOSE US BECAUSE WE HAVE
1.Independent automatic steel grating product line with huge workshop and devices to ensure delivery time.Â
2. Over 20 years' experience in hot-dipped galvanized steel grating manufactureÂ
3. Quality guarantee under the control of ISO9001 2000 quality systemÂ
4.Professional technology and design teams, chart as customers' requirements. 
Model NO.: G255/40/100
Surface Treatment: Mill Finish, Galvanized, Painted, PVC
Bearing Bar Type: Serrated, Plain, I
Bearing Bar Pitch: 30mm, 40mm, 50mm, 100mm
Quality Certificate: ISO9001
Trademark: Jiuwang
Transport Package: Steel Belt
Specification: 505/30/100
Origin: Hebei Anping
HS Code: 7308900000
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