Silmline Trench Grate,Aluminum Stair Treads,Aluminum Stair Treads Factory
Aluminum Stair Treads
Aluminum Stair Treads Factory
GratingStandard | Material Standard | HDGStandard | Handrail Standard |
YB/T4001-2007 | GB704-88 | GB/T13912-92 | 4053.3-93 |
ANSI/NAAMM | ASTM (A36) | ASTM (A123) | |
BS4592-1995 | BS4360 (43A) | BS729 | BS6399/BS6180 |
AS1657-1992 | AS3679 | AS1650 | 1650-1985 |
SPECIFICATIONS
No | Item | Description trench drain grating cover |
1 | Bearing bar | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
2 | Bear bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc. |
3 | Cross bar pitch | 30.38.1, 40,50, 60,76,100,101.6mm |
4 | Material | Q235, Q235, A36, SS304,SS316, |
5 | Surface treatment | Black, hot dipped galvanizing, painting |
Steel trench cover 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.
TECHNOLOGY
Items | Features |
1 | Good appearance: simple line, silvery surface, modern design. |
2 | Optimized drainage effect: water leakage area upto to 83.3% which is twice of the iron castings. |
3 | HDG: superior rust protection, free of maintenance and replacement. |
4 | Anti-theft design: Covers and frames are connected by hinges providing safe and convenient application |
5 | Save project investment: lower price and lower maintenance cost compared to iron castings. |
6 | High strength: higher strength and durability than iron castings, suitable for using in larger spacing and heavier loading conditions such as the docks and airports. |
7 | They are available in various types to satisfy the need for different environment, loading, spacing, and configuration. |
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