Name: galvanized outdoor spiral staircase
Brand: JIUWANG
Availability: InStock

Product Details

1. galvanized outdoor spiral staircase

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.

2Stair Tread Types: galvanized outdoor spiral staircase

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 outdoor spiral staircase specification

Pitch of Bearing bar	Cross-bar Pitch	Specification of bearing bar load(width×thickness)
Pitch of Bearing bar	Cross-bar Pitch	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
30	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
40	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 outdoor spiral staircase 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

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