Steel Mesh Grating Drainage Covers Hot Dip Galvanized Trench Covers
Specification
We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating
and I Bar Type Steel Grating. Steel Grating is welded with bearing bar and cross bars, the rectangular
- shaped bearing bar which is available in a variety of thicknesses, heights, and spacings.
They are widely used in steel structure platforms, stair treads, sidewalks,
drainages and well covers etc. We can design and manufacture standard steel grating and in customized
shapes per client's requirements.
Features
The products enjoy the feature of high strength, light structure, high bearing, convenience for loading and
other propertier.
Standard size trench cover details
Item No | Bearing bar pitch | Cross bar pitch | specification os bearing bar(width*thickness) | |||||
20*3 | 25*3 | 32*3 | 40*3 | 20*5 | 25*5 | |||
1 | 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 |
50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | ||
2 | 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 |
50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | ||
3 | 60 | 50 | G203/60/50 | G253/60/50 | G323/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
Standard for steel grid | Standard for steel material | Standard for hot dipped galvanization | |
China | YB/T4001-1998 | GB700-88 | GB/T13912-92 |
USA | ANSI/NAAMM (MBG531-88) | ASTM(A36) | ASTM(123) |
UK | BS4592-1987 | BS4360(43A) | BS729 |
Australia | AS1657-1985 | AS3679 | AS1650 |
Type | Welded steel grating, pressure-locked, socket-welding |
Steel flat size | 20 × 3 , 25 × 3 , 25 × 5 , 30 × 3 , 30 × 4 , 30 × 5 , 32 × 3 , 32 × 5 , 45 × 5 mm |
Beraing bar pitch | 12.5 , 15 , 20 , 25 , 30 , 35 , 40,50mm |
Cross bar pitch | 38,50,80,100mm |
material | Low carbon steel, stainless steel, aluminium |
Surface treatment | Untreated, hot galvanized, painted |
Standards | China: YB/T 4001.1-2007 |
Usage
steel grating trench covers is mainly used in chemical industry, food processing, hydro processing and
other industries as listed :