1.what is steel grating ?( 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
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.
2. Over 20 years' experience in hot-dipped galvanized steel grating manufacture
3. Quality guarantee under the control of ISO9001 2000 quality system
4.Professional technology and design teams, chart as customers' requirements.
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