Open Grating Stair Treads Profile
We manufacture different styles of Open Grating Stair Treads that used in family,industry and construction.
Material: mill steel black and hot dip Galvanizing / and stainless
Fields of Open Grating Stair Treads Application:
Light chemical industry, Petrol-chemistry, Machinery industry,
Port engineering, Oil and grease chemistry, Agriculture husbandry,
Steel industry, Waste disposal, Food processing, Aquatic breeding,
Industry, Pharmaceutical industry, Parking lots, Cement plants, Oil
Mining and refinery, Power plants, Public utility, Marine
Construction material industry, Defense projects, Airport projects,
Sewage disposal, Paper and pulp industry, Construction industry,
Industry, Automotive industry
Open Grating Stair Treads type
1)There are four kinds of stair treads T1,T2,T3,T4.
T1 Welded fixing and Without nosing
T2 Bolted fixing and without nosing,easy to installation and
T3 Welded fixing and with checkered plate nosing, can be skid.
T4 Bolted fxing and with checkered plate nosing, easy be
teardown and can be skid.
2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
3) Surface Treatment:
Untreated, Painting ,Powder coated or Hot dip Galvanizing
4) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
E) Japan: JJS
Open Grating Stair Treads specification
Pitch of Bearing bar
Specification of bearing bar load(width×thickness)