1.Material:mild steel,or stainless steel 2.various of steel grating styles 3.Color:many 4.Standard: ASTM 5.ISO:9001:2000

Stair Tread Steel grating Feature:

1.Attractive appearance : clear and smooth figure, silvery appearance, modern-styled.

2.Optimal drainage: Leaking area can reach 83.3%, which is as twice as cast iron.

3.Galvanized surface: rust-proof, anti-corrosion,Maintenance convenient.

4.Economical: much more cheaper than cast iron.

Stair Tread Steel Grating Application:urban road, public squares, gardens, wharf, airport, parking, highway, railway, industrial 

engineering and so on.

Type of bearing bar:W--welded steel grating   L-- pressure-locked   C-- socket-welding

Bearing bar centers: 15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended

Cross bar centers:any greater than 30mm is ok. with 50, 100mm recommended.

Surface treatment:galvanized,spraying,untreated.

Stair Tread Steel Grating standard:

China:   YB/T4001.1-2007(YB/T4001.1-1998)/Britain:   BS4592-1:1995/US:ANSI/NAAMM(MBG531-93/Austrilia:  AS1657-1992

Welcome your contacts to have any questions, doubts and suggestions for our .

Different specification is available according to customers' special inquiry or detailed drawings.