Main Products: steel grating ,steel ball stanchion ,drain grates ,steel handrail ,grates &frames
steel stair
USD $3 - $10 /Piece
Min.Order:100 Pieces
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Yantai Youhe Steel Structure Co., Ltd.
Business Type: Manufacturer,Trading Company
Yantai Shandong ChinaMain Products: steel grating ,steel ball stanchion ,drain grates ,steel handrail ,grates &framesProduct Details
1. Youhe stair treads can be made of any type of steel gratings, and its dimesion may be assigned according to customer's requirement.
2. It is suggested that the length, width, front nosing and side plate recommended by us should be adopted as much as you can from the economical angle.
3.
| Grating standard | China | YB/T4001-1998(YB/T4001.1-2007) |
| Britain | BS4592-1:1995 | |
| American | ANSI/NAAMM(MBG531-93) | |
| Australia | AS1657-1992 | |
| Galvanized standard | China | GB/T13912-2002 |
| Britain | BS729 | |
| American | ASTM A123/A123M-97a | |
| Australia | AS1650 |
| specification | Bearing bar pitch(mm) | 30,40,60,80,90 |
| Cross bar pitch(mm) | 30,40,50,100 |
| Bearing bar (load bar)specification | the specification of the plain bar type andserrated bar type plain of bearing bars is 20x3-100x3 the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc. | |
| the pitch of load bearing bars (mm) | 12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80…… | |
| the pitch of cross bars(mm) | 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102…… | |
Fature
1. the high-tec techneque and equipment guarantee high quality of gratings.Most of machine were imported from Japan, Germany,Switzerland,etc.
2. High strength, light structure: solid grid pressure welding structure has advantages of high load, light structure, easy installation, etc.
3. Prevent dirt deposition.
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