• hot dip galvanized steel spiral stairs
  • hot dip galvanized steel spiral stairs
  • hot dip galvanized steel spiral stairs
  • hot dip galvanized steel spiral stairs
  • hot dip galvanized steel spiral stairs
  • hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
hot dip galvanized steel spiral stairs
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hot dip galvanized steel spiral stairs

1.steel spiral stairs 2.hot dip galvanized 3.four type:T1 T2 T3 T4 4.direct factory 5.ISO9001 6.automatic robot welding machine and automatic bending machine

If you need customized products,  Contact US !

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  • Product description
  • 1. galvanized grate stair tread

    We manufacture different styles of stair ladders that used in family,industry and construction.

    Material: mill steel black and hot dip Galvanizing / and stainless grating

    Usage: ladder, flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves,fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

    hot dip galvanized outdoor metal grate stair tread

    2Stair Tread Types: galvanized staircase metal

    hot dip galvanized outdoor metal grate stair tread

    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

    4. galvanized   grate stair tread manufacturer process

     

    5.our company review

    Hebei Jiuwang Metal Wire Mesh Co.,Ltd.(original Anping County Jintai Metal Mesh Co.,Ltd.).Established in 1992,our company is a manufacturer of large steel structure and steel gratings,integrating development,production and distribution.The company register capital is 10,080,000 Yuan,and take an area of 34,680 square meters.In 2003,we have got the ISO9001:2000 certification by BQR.

    our company activity(open business in new year,attend economic meeting,dinning with customers,group tour,116th Canton Fair)

    customers visit our factory

    galvanized  fixing grating clips application

    flat bar  grating for staircase

    serrated bearing bar  grating for staircase

    grating for staircase package
    7.contact us

hot dip galvanized steel spiral stairs

1.steel spiral stairs 2.hot dip galvanized 3.four type:T1 T2 T3 T4 4.direct factory 5.ISO9001 6.automatic robot welding machine and automatic bending machine

If you need customized products,  Contact US !

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