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Galvanized Ms Black Mild Steel Spiral Staircase

China Galvanized Ms Black Mild Steel Spiral Staircase, Find details about China Spiral Steel Stair Treads, Galvanized Steel Stair from Galvanized Ms Black Mild Steel Spiral Staircase

Model NO.
T1, T2, T3, T4
Certificate
ISO9001
Manufacturer Type
Welded
Ended Type
Closed Open
Dimension Size
1m*6m 1m*5.8m
Trade Type
OEM Manufacturer
Trademark
Jiuwang
Transport Package
Steel Belt
Specification
G325/40/100
Origin
Hebei Anping
HS Code
7308900000
Model NO.
T1, T2, T3, T4
Certificate
ISO9001
Manufacturer Type
Welded
Ended Type
Closed Open
Dimension Size
1m*6m 1m*5.8m
Trade Type
OEM Manufacturer
Trademark
Jiuwang
Transport Package
Steel Belt
Specification
G325/40/100
Origin
Hebei Anping
HS Code
7308900000
Package size per unit product
600.00cm * 100.00cm * 5.00cm
Gross weight per unit product
120.000kg
 
1.  spiral steel stair grating
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.
Galvanized Ms Black Mild Steel Spiral Staircase
2. spiral steel stair grating  type.

1)There are six kinds of steel grating stair  T1,T2,T3,T4.T5,T6
    T1         Welded fixing and Without nosing
    T2         Bolted fixing and without nosing,easy to installation and dismantle
    T3         Welded fixing and with checkered plate nosing, can be anti-skid.
    T4         Bolted fxing and with checkered plate nosing,  can be anti-skid ,easy be installation,
    T5        Welded fixing and with striped plate nosing, can be anti-skid.
    T6         Bolted fixing and with striped plate nosing, can be anti-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
Galvanized Ms Black Mild Steel Spiral StaircaseGalvanized Ms Black Mild Steel Spiral StaircaseGalvanized Ms Black Mild Steel Spiral StaircaseGalvanized Ms Black Mild Steel Spiral Staircase
3. spiral steel stair grating   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


Max. Stair treads lengths
 

Steel grating specification
Bearing bar size
25*3
25*5
32*5

Bearing bar pitch30mm
550
900
1300

Bearing bar pitch 40mm
450
750
1200


Recommend stair tread widths
 

T1,T2,T3,T4
Bearing bar pitch 30mm
95
125
155
185
215
245
275

T1,T2,T3,T4
Bearing bar pitch 40mm
 
125
165
 
205
245
285

 
115
155
 
195
235
275

Fixing hole centers
45
75
100
150


Note:bearing bar thickness 5mm
 

Product Details

No.
Terms
Description

1
Material
Low carbon,middle carbon,stainless steel

2.
Material standard
GB700-88,ASTM(A36),BS4360(43A),AS3679

3.
Bearing bar size
20*3,20*5,25*3,25*5,32*3,32*5,35*3,35*5,
40*3,40*5,45*5,50*3,50*5,55*5,60*5,65*5mm etc,

4.
Bearing bar pitch
15,20,25,30,33,35,38,40,50,60,80,90mm

5.
Cross bar pitch
24-200mm

6.
Surface treatment
Hot dipped galvanized,painted,self-color,

7.
Grating standard
YB/T4001.1-2007,ANSI/NAAMM(MBG531-88),
BS4592-1987,AS1657-1985

8.
Bearing bar type
F,I ,S,IS type

9.
Application
Floor walkway,industrial platform,stair tread,metal ceiling,trench cover,barrier fencing

10.
Feature
Fine appearance,anti-corrosive,simple installation,light weight,high load,anti-skid,
prevent dirt deposition,ventilation,anti-explosion

11.
Payment terms
TT,L/C

12.
Package
Pallets in containers packed by steel strap and worthy sea shipping, or according to the customers' requirements

13.
Product capacity
10days for a 20"


Bearing bar type
Flat bar
I bar
Serrated bar
 

Cross bar type
Twisted bar
Round bar
flat bar
 

Production process
welded
Pressure locked
 
 

Surface treatment
Self-colour
Galvanized
painted
 

application
Platform
walkway&floor
Trench cover
Steel stair treads

 
Suspended ceiling
Barrier fence
 

 

4.steel grating standard--  steel platform grating

Steel Grating  Standard

 
Steel Grating Standard
Steel Standard
Galvanizing Standard

China Standard
YB/T 4001.1-2007
GB700-88
GB/T13912-2002

USA Standard
ANSI/NAAMM (MBG531)
ASTM (A36)
ASTM (A123)

U.K. Standard
BS4592
BS4360 (43A)
BS729

Australia Standard
AS1657
AS3679
AS1650

Deutsche Standard
DIN24537
DIN17100-80
DIN50976
6.our company profile
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.
Galvanized Ms Black Mild Steel Spiral Staircase
7.CHOOSE US BECAUSE WE HAVE
1.Independent automatic steel grating product line with huge workshop and devices to ensure delivery time.
2. Over 20 years' experience in hot-dipped galvanized steel grating manufacture
3. Quality guarantee under the control of ISO9001 2000 quality system
4.Professional technology and design teams, chart as customers' requirements.
Galvanized Ms Black Mild Steel Spiral Staircase

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