Steel Grating(Untreated, Painting, Powder coated or Hot dip Galvanizing)
Notes: Stair tread may be of any types of grating, the size may be up to no standard specification we recommended:
Bearing bar pitch is 30, 40,60mm.
Cross bar pitch is 40, 50, 60,100mm
Width: 125,155,185,215,245,275,305mm
We can make the product with clients' requirements; just offer the drawing to us.
a) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
b) Surface Treatment: Untreated, Painting, Powder coated or Hot dip Galvanizing
c) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
E) Japan: JJS
Advantages: saving materials, reducing investment, simple construction, saving time, durable, modern style, light structure, to prevent accumulation of dirt, reduce wind resistance, simple design, ventilation, lighting, cooling, explosion proof, good antiskid performance etc...
Usages: The ditch covers plate, steel structure platform board, ladder step plate etc.
The above specifications are for reference only; we can produce according to the customers' request. If you are interested in our products, please contact us, we will offer you the most competitive price and high -quality products.
If you are interested in our products please contact us, we will offer the most competitive price and high quality products for you !
Steel graing is a kind of open steel member wth its bearing bar & cross bar jonting at intersections either by welding or by locking.
Type of steel grating:
1, Plain type:
One of the most wiely used gratings, available for flooring, sidewalk, dranage pit cover, stair tread, etc
2, Serrated type:
Better Non-skid property & safety compared with plain grating
3, I-shape type
Lighter, more economical and practical comparing with plain grating
Steel grating specification:
Number | Item | Specification |
| 1 | Bearing bar | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,75x10(mm) |
| 2 | Bearing bar pitch | 30mm,40mm,60mm as usual |
| 3 | Cross bar pitch | 38mm,50mm,100mm,101.6mm,etc |
Steel grating standard:
Country | Steel grating standard | Steel material standard | Hot galvanizing standard |
| China | YB/T4001-1998 | GB 700-88 | GB/T13912-2002 |
| USA | ANSI/NAAMM(MBG531-88) | ASTM (A36) | ASTM(A123) |
| England | BS4592-1987 | BS4360 ( 43A) | BS729 |
| Australia | AS1657-1992 | AS3679 | AS1650 |
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