Galvanized stair tread-JT7

Galvanized stair tread 1.Best quality and price 2.We have designed 8 types 3.Can OEM by customers' requirement 4.ISO

Galvanized stair tread are made from steel gratings and other forms. They are widely used Inner packing: municipal projects, gardens, workshops and factory buildings, living quarters, highways and have the advantage of beautiful looking, good ventilation and easy installation and maintenance.

This type is JT7. It has a vertical striped plate nosing. The install method is bolted fixing.

Ningbo Jiulong Machinery Manufacturing Co.,Ltd is the largest steel grating manufacturer in China whose capacity is 50000 tons one year!! Our products are a part of construction.

 

We produce steel grating, stair tread, fence,clips, chench cover, handrail stanchion, walkway, steel ladder and so on. These products are widely used on mine, factory plant, Oil industry,shipbuilding, marine engineering, airport project, construction industry and so on.

Standard descriptions:

1. Bearing bar(load bar):20x3 ..... 75x10 mm.

2. Bearing bar pitch: 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 35, 40mm. 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: 38,50,76,100,101.6mm

4. Material: Q235, Stainless 304

5. Surface treatment: black, galvanized, paint

6.Standards:

1).China: YB/T 4001.1-2007

2).USA: ANSI/NAAMM(MBG531-88)

3).UK: BS4592-1987

4).Australia: AS1657-1985

Galvanized stair tread-JT7