• Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
  • Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
  • Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
  • Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
  • Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
  • Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating

Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating

After-sales Service: Any Time
Warranty: Any Time
Certification: ISO
Samples:
US$ 50/Piece 1 Piece(Min.Order)
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Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating pictures & photos
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
US $500-600 / Ton
Min. Order: 10 Tons
Gold Member Since 2009

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Manufacturer/Factory & Trading Company

Basic Info.

Model NO.
T1 T2 T3 T4
Application
Steel Structure Walkway, Foot Pedal, Drain Cover
Shape
Flat Shape
Manufacturing Method
Machine Welding
Material
Carbon Steel
Product Name
Galvanized Grating
Origin of Place
China Hebei
Surface Treatment
Hot DIP Galvanization
Bearing Bar Type
Flat Bar, Serrated Bar, I Type
Certificate
ISO9001
Manufacturer Type
Welded
Ended Type
Closed Open
Dimension Size
1m*6m 1m*5.8m
Trade Type
OEM Manufacturer
Transport Package
Steel Belt
Specification
G325/40/100
Trademark
Jiuwang
Origin
Hebei Anping
HS Code
7308900000
Production Capacity
100000

Product Description

 
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.
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
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.
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
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

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
5.steel grating manufacture process

Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
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.
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
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.
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating

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From payment to delivery, we protect your trading.
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating pictures & photos
Direct Factory Hot DIP Galvanized Spiral Steel Stair Treads Grating
US $500-600 / Ton
Min. Order: 10 Tons
Gold Member Since 2009

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Plant Area
6000 square meters
Management System Certification
ISO 9001