steel stair treads and risers metal grate steps metal treads for outdoor stairs
T3 Hot Dipped Galvanized Stair Steps Grating
Our business export more than 10years as a premium manufacturer and supplier of metal flooring and allied products in China. We provides cost effective high quality flooring and safety products solutions, either fabricated to exact project specifications or standard products available immediately.
1. Specifications of Steel Galvanized Metal Grate Steps For Stairs :
Steel Galvanized Metal Grate Steps For Stairs, constructed with holed and grooved side plates to ease fixing to stringers. Treads are safe, self cleaning, skid resistant and economical. A unique range of fittings to enable the easy installation of flat Kick and Toe Boards to standard handrail installations. Can be either welded or fixed via a grub screw reducing installation time and expense. Ideal for added protection and security to handrail walkways.
| Specifications | |
| 1. Bearing bar |
25x3,25x4,25 x 5,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm
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| 2. Bear Bars pitch (mm) |
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.
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| 3. Cross bar pitch |
38,50,76,100,101.6mm
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| 4. Material |
Q235,SS304
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| 5. Surface treatment |
Black, hot dipped galvanising, paint
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| 6. Standard |
China: YB/T 4001.1-2007
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USA: ANSI/NAAMM(MBG531-88)
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UK: BS4592-1987
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Australia: AS1657-1985
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Stair tread steel gratings, also called grating steps, are made of low carbon steel or stainless steel. It is one of the most widely used and popular types of steel gratings. With the features of high strength, high bearing capacity, wear resistance, resistance to extreme temperature wind and rain, non-slip, anti-corrosion, beautiful and easy to install and remove extend the lifespan, stair tread steel grating is widely used as different types of steel ladders in the factory, school, park, stadium, civil and commercial buildings.
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