Beijing Silk Road Enterprise Management Services Co.,LTD
| Payment Terms | T/T , Western Union, MoneyGram |
| Supply Ability | 100 tons per week |
| Delivery Time | 15 days |
| Packaging Details | steel belt with square pipe |
| Name: | Stairs treads |
| Surface treatment: | Hot Dip Galvanized painting mill finish |
| Model Number: | T1 ,T2,T3,T4,T5,T6 |
| Mesh (Spacing) | 30 100 40 100 30 30 |
| Grating standard: | ndard: ASTM A36, A1011, A569, Q235 |
| Grating Size: | 3'x20', 3'x24', 3'x30', 1000x1000 |
| Grating bar type: | Serrated bar, plain bar, I-bar, Serrated I-bar |
| Grating Products Scope: | Scope: Steel grating, smooth & serrated, trench cover, stair tread |
| Model Number | Stair Treads |
| Certification | sgs |
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Product Specification
| Payment Terms | T/T , Western Union, MoneyGram | Supply Ability | 100 tons per week |
| Delivery Time | 15 days | Packaging Details | steel belt with square pipe |
| Name: | Stairs treads | Surface treatment: | Hot Dip Galvanized painting mill finish |
| Model Number: | T1 ,T2,T3,T4,T5,T6 | Mesh (Spacing) | 30 100 40 100 30 30 |
| Grating standard: | ndard: ASTM A36, A1011, A569, Q235 | Grating Size: | 3'x20', 3'x24', 3'x30', 1000x1000 |
| Grating bar type: | Serrated bar, plain bar, I-bar, Serrated I-bar | Grating Products Scope: | Scope: Steel grating, smooth & serrated, trench cover, stair tread |
| Model Number | Stair Treads | Certification | sgs |
| High Light | bar grating treads ，exterior metal stair treads | ||
Hot dip galvanizing galvanized outdoor steel grating stair treads
We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.
1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;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.
2) Bearing Bar Pitch (center to center):
12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,
America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4),(19-w-2) and so on.>
3) Cross Bar Pitch (center to center):
38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.
4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot dip Galvanizing
6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
| T1,T2,T3,T4,T5,T6 Bearing bars at 30mm pitch | 95 | 125 | 155 | 185 | 215 | 245 | 275 |
| T1,T2,T5,T6 Bearing bars:40mm T3,T4 | 125 | 165 | 205 | 245 | 285 | ||
| 115 | 155 | 195 | 235 | 275 | |||
| Fixing hole centers | 45 | 75 | 100 | 150 | |||
Note: based on 5mm bearing bars
Max.stair tread lengths
| Bearing bar section | 25*3 | 25*5 | 32*5 |
| Bearing bar pitch:30mm | 550mm | 900mm | 1300mm |
| Bearing bar pitch:40mm | 450mm | 750mm | 1200mm |
| Welded steel grating, pressure-locked, socket-welding | |
| Steel flat size | 20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5……45×5mm |
| Beraing bar pitch | 12.5,15,20,25,30,35,40,50mm |
| Cross bar pitch | 38,50,80,100mm |
| material | Low carbon steel, stainless steel, aluminium |
| Surface treatment | Untreated, hot galvanized, painted |
| Standards | China: YB/T 4001.1-2007 USA: ANSI/NAAMM(MBG531-88) UK: BS4592-1987 Australia: AS 1657-1985
|
How to order
1.Bearing Bars center to center and cross bars center to center
2.Depth & thickness of bearing bars
3.Surface:serrated or smooth
4.Dimensions of area
5.Span(direction of bearing bars)
6.Finish: mill,hot dip galvanized
7.banding or no banding
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Employee Number:
250~300
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,LTD was founded in 2006,covering a area if 50 acres,with registered capital of 20.5 million RMB and more than 300 professional and technical personnel and more than 15 senior engineers.The company is located in the biggest wire mesh producti... Beijing Silk Road Enterprise Management Services Co.,LTD was founded in 2006,covering a area if 50 acres,with registered capital of 20.5 million RMB and more than 300 professional and technical personnel and more than 15 senior engineers.The company is located in the biggest wire mesh producti...
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