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Hebei Jiuwang Metal Wire Mesh Co., Ltd.

Steel Grating, Serrated Grating, Platform Grating manufacturer / supplier in China, offering Galvanized Trench Grating From China Supplier Jiuwang, Hot DIP Galvanized Steel Bar Grating From Professional Grating Manufacturer, HDG Steel Grating and so on.

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Supplier Homepage Company Show Bulletin Board hot dip galvanized steel stair treads for steel grating application

Bulletin Board

hot dip galvanized steel stair treads for steel grating application [Aug 05,2016]
hot dip galvanized steel stair treads for steel grating application
steel stair treads is the second application of steel grating.

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 teardown.

    T3         Welded fixing and with checkered plate nosing, can be skid.

    T4         Bolted fxing and with checkered plate nosing, easy be installation,

                 teardown and can be skid.

2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel

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

3. galvanized   grate stair tread specification

Pitch of Bearing bar

Cross-bar Pitch

Specification of bearing bar load(width×thickness)

32×5

40×5

45×5

50×5

55×5

60×5

  30

100

G325/30/100

G405/30/100

G455/30/100

G505/30/100

G555/30/100

G605/30/100

50

G325/30/50

G405/30/50

G455/30/50

G505/30/50

G555/30/50

G605/30/50

  40

100

G325/40/100

G405/40/100

G455/40/100

G505/40/100

G555/40/100

G605/40/100

50

G325/40/50

G405/40/50

G455/40/50

G505/40/50

G555/40/50

G605/40/50

60

50

G325/60/50

G405/60/50

G455/60/50

G505/60/50

G555/60/50

G605/60/50