Hebei Feishuo Metal Wire Mesh Products Co., Ltd
razor wire, perforated metal, expanded metal, chain link fence, pvc coated iron wire, steel grating
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1.what is steel grating ?( grating astm a569 ) -- 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- grating astm a569
panel size available(black grating): 1000x5800mm or 1000x6000mm
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Bearing bar pitch |
Cross bar pitch |
load steel size ( Width ×Thickness) |
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20×3 |
25×3 |
32×3 |
40×3 |
20×5 |
25×5 |
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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) |
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|
32×5 |
40×5 |
45×5 |
50×5 |
55×5 |
60×5 |
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|
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-- grating astm a569
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Bearing bar type |
Flat bar |
I bar |
Serrated bar |
|
|
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-colour |
Galvanized |
painted |
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|
application |
Platform |
walkway&floor |
Trench cover |
Steel stair treads |
|
|
Suspended ceiling |
Barrier fence |
4.steel grating standard-- grating astm a569
|
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) |
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U.K. Standard |
BS4592 |
BS4360 (43A) |
BS729 |
|
Australia Standard |
AS1657 |
AS3679 |
AS1650 |
|
Deutsche Standard |
DIN24537 |
DIN17100-80 |
DIN50976 |