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Q235 Low Carbon Steel GI Heavy Duty Grating For TrenchDrain Cover
Description:
Floor trench cover is made of steel grating plate, it is easy to install, with light weight, good nearing
capacity, good inpact resistance etc. after hot-dip galvanizing progress, it is attractive and durable,
corrosion and rust protection, it is better than cast iron trench cover. Since steel grating adopt
rticulated juncture, it is easy to open and have excellent function on guard against theft.
Floor trench cover is widely used in municipal administration path, carwash house, garden
landscape facilities, residential district and school etc
Features:
1. Surface treatment adopt hot-dip galvanizing process: with great corrosion and rust protection.
2. Articulated juncture, it is easy to open and have excellent function on guard against theft.
3. Attractive and durable appearance
4. Big mesh and better draining water. Water leakage area can reach 83.3%, it is twice as cast iron trench cover.
5. It can save material: long-span and heavy-load, lower than the price of cast iron; And can save the cost due to theft or crush
and of replacement of the cast iron cover.
6. Various kinds of products, can customize according to client’s requirements
Galvanized steel grating specifications:
| Steel Grating Standard | Steel Standard | Galvanized Standard |
| China standard | YB/T 4001.1-2007 | GB/T 13912-2002 |
| USA standard | ANSI/NAAMM(MBG531) | ASTM(A123) |
| U.K.standard | BS4592 | BS729 |
| Australia standard | AS1657 | AS1650 |
| Item | Desceiption | |
| 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 |
| 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 |
| 3 | Twisted Cross Bar Pitch | 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
| 4 | Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
| 7 | Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), |
Steel gratings application:
flooring steel gratings
stair treads
sun shades
drain covers
security screen
manhole covers
mezzanine flooring
earth mats
shelving
Stanchions (hand rails)
trench covers