China Roof Safety Walkway Grating, Steel Grating Walkway for Stairs, Find details about China Step Steel Grating, Hot DIP Galvanized from Roof Safety Walkway Grating, Steel Grating Walkway for Stairs
Product Presentation
1.Profile
We manufacture different styles of stair ladders that used in family,industry and construction.
Material: mill steel black and hot dip Galvanizing / and stainless grating
Usage: ladder, flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves,fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.2.steel stair treads type.
1)There are four kinds of stair treads T1,T2,T3,T4.
T1 Welded fixing and Without nosing
T2 Bolted fixing and without nosing,easy to installation and teardown.
T3 Welded fixing and with checkered plate nosing, can be skid.
T4 Bolted fxing and with checkered plate nosing, easy be installation,
teardown and can be skid.
2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
3) Surface Treatment:
Untreated, Painting ,Powder coated or Hot dip Galvanizing
4) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
3.steel stair treads specification
Pitch of Bearing bar | Cross-bar Pitch | Specification of bearing bar load(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 |
Max. Stair treads lengths
Steel grating specification Bearing bar size | 25*3 | 25*5 | 32*5 |
Bearing bar pitch30mm | 550 | 900 | 1300 |
Bearing bar pitch 40mm | 450 | 750 | 1200 |
T1,T2,T3,T4 Bearing bar pitch 30mm | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
T1,T2,T3,T4 Bearing bar pitch 40mm | 125 | 165 | 205 | 245 | 285 | ||
115 | 155 | 195 | 235 | 275 | |||
Fixing hole centers | 45 | 75 | 100 | 150 |
4.steel grating standard-- steel stair treads
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 |
Our Company
Hebei Zhuote Wire Mesh Co., Ltd. as a manufacturer which is specializing in producing and exporting a complete series of steel grating and other wire mesh products. Our steel grating goods have various of kinds with different material, the mainly products are high, middle and low - carbon steel, stainless steel, aluminum steel grating. And have varous of style, for example platform steel grating, special steel grating, serrated steel grating, high duty steel grating, press locked steel grating and so on. With the development of our steel grating business, we have gradually improved our manufacturing expertise and engineering construction capabilities. As well as we also produce other wire mesh products, such as Fence, Expanded Metal Mesh, Reinforced Steel Mesh, Gabion Mesh, Chain link mesh and so on. The series of wire mesh are export to the Europe market, America, Middle East, Russia, India and so on.
Product Certification
FAQ:
A: Yes,we have specialized in this field for about 10 years experience.
A: Yes,we can provide sample in half A4 size together with our catalogue.
But the courier charge will on your side.
We'll send back the courier charge if you make an order.
A: The specification of wire mesh.such as material,mesh number, wire diameter,hole size,width,quantity,finishing.
A: We always prepae enough stock material for your urgent requirement. the delivery time is 7days for all the stock material.
We'll check with our production department for the non-stock items to offer you the exact delivery time and producing schedule.
Usually by sea.
We usually use the T/T,L/C,D/P,Western Union.