ISO9001-2008 Galvanized Stair Treads Steel Grating (accept Customization )
Our team and visiting customer :

Gratings stair treads are manufactured from any of our steel, aluminum or stainless steel products. Standard industrial or close-mesh pedestrian spacings are available and all treads are fabricated with defined, visible nosings for increased safety. Pre-punched end carrier plates or angles facilitate easy installation into pre-drilled stair stringers.
Steel grating stair treads are available fabricated to any size in type "W" welded, type "DT dovetail pressure locked or type "SL" swage locked construction. Treads are manufactured with a defined visible nosing and pre-punched end carrier plates or angles, ready for bolting to the stair stringers.
Aluminum grating stair treads are available fabricated to any size in type "SG", "SGI" swage locked, type "ADT" aluminum dovetail pressure locked or type "SGF" aluminum flush-top construction. Treads are manufactured with a defined visible nosing and pre-punched end carrier plates or angles, ready for bolting to the stair stringers.
Stainless steel grating stair treads are available fabricated to any size in type "WS" welded, type "DTS" dovetail pressure locked or type "SLS" swage locked construction. Treads are manufactured with a defined visible nosing and pre-punched end carrier plates or angles, ready for bolting to the stair stringers.
Specifications of stair tread:
No |
Item |
Description |
1 |
Bearing bar |
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc |
2 |
Bear bar pitch |
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
3 |
Cross bar pitch |
38.1, 40, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
4 |
Material |
ASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc |
5 |
Surface treatment |
Black/untreated/self-color, hot dipped galvanised, painted,spray coating |
6 |
Standard |
China: YB/T 4001.1-2007 |
USA: ANSI/NAAMM(MBG531-88) | ||
UK: BS4592-1987 | ||
Australia: AS1657-1985 | ||
7 |
Grating Bar Type |
Serrated, Plain or I bar surface |
Provide sample ,according to your size processing , respond promptly
Thank you for your interesting in our products . Please feel free to contact us at any time . We will reply you promptly . Welcome the customer all over the world to visit our factory , and welcome to order our galvanized steel grating .
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