1.Comprehensive type and broadest range in dimension.
1.1 Material Q235 , or other equivalent material
1.2 Grating Conformity Standard: YB/T4001, ANSI/NAAMM-MBG531,
BS4592, AS1657, JS3101
1.3 Grating Dimension
Load Bearing Flat Bar size
Thickness≥3mm, depth ≥19mm
19X3,19X5,20X3, 20X5, 25X3, 25X4, 25X4.5, 25X4.7, 25X5…..40X6,
Pitch of Load bearding flat bars(mm)
12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80……
Pitch of cross bars(mm)
38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102……
The sizes and dimension is not limited to above.
1.4 Grating type: flat bar: plain type, plain I type, serrated
type, serrated I type; cross bar: round type and square twisted
1.5 Finishing treatment: a. Galvanized, b. Untreated (black
self-color), c. Painted
2. 11 sets of press welded (electro-forged welding) production
lines creat largest production capability, flexible and controlled
delivery to cater to the variety of needs of customers.
3. The high-tec techneque and equipment guarantee high quality of
gratings. Most of machine were imported from Japan,
4. Capable design can make grating customized according to site