jw 25*5 Serrated Grating is available with most standard load bearing bars. The serrations are formed by placing a series of notches along the upper edge of the load bar, thus enhancing the non-slip characteristics of the grating. When Serrated Grating is required it must be nominated
jw 25*5 Serrated Grating is available in all bar sizes from 25mm to 50mm with the twist bar located flush with the bottom edge of the serrations, providing the best non slip grating in the market.
Steel grating common dimension:
1.Grating Types:
|
W--welded steel grating L-- pressure-locked C-- socket-welding |
| 2.Bearing bar Pitches: |
15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended. |
3.Cross bar Pitches: |
50, 100mm are recommended. |
| 4.Surface treatment: |
G - galvanized
P - painted
U - untreated |
| 5.Grating standard: |
China: YB/T4001.1-2007(YB/T4001.1-1998)
Britain: BS4592-1:1995
US: ANSI/NAAMM(MBG531-93)
Australia: AS1657-1992 |
| 6.Marks: |
Example: G 325/30/100 G255/40/50
|
1. What is the application of steel grating?
The main usage can be divided to 4 kinds: platform, flooring, stair treads and drainage cover. See the pics for reference.
2. what is the quantity of galvanization? And how long will it last?
We do our galvanization as American standard, for over 5mm thick steel grating, it is no less than 610g/M2, for less than 5 mm thick steel grating, it is no less than 460g/M2, usually it is 60-80μ/M2. And it can last at least 50 years.
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