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1.what is steel grating ?( galvanized I bar grating ) -- 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 I bar grating
panel size available(black grating): 1000x5800mm or 1000x6000mm or 7315mm*1m
|
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. steel grating platform introduction-- galvanized I bar grating
Type bearing bar
Surface treatment: mill finish,hot dip galvanized, painted
|
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 |
|
4.steel grating standard-- galvanized I bar grating
|
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 I bar grating manufacture process
6. galvanized serrated bar grating application
( civil buildings such as gymnasium, exhibition centre, supermarket, bus station, quay and airport, etc.)
port platform floor grating
barrier fence grating (agricultral barrier,balcony,yard wall fence)
water channel grating
trench drain cover grating
steel stair treads grating
serrated steel stair treads
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.
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