Hot DIP Galvanized Steel Ladder and Stair Treads Steel Ladders Steel Steps Steel Stairs Steel Staircase Grating Bar Grating

Price $600.00 Compare
Min Order 10 Tons
Shipping From Hebei, China
Popularity 423 people viewed
Quantity
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Hebei Jiuwang Metal Wire Mesh Co., Ltd.

VIP   Audited Supplier 17 years
Profile Certified by SGS/BV
G255/30/100 T1 T2 T3 T4
Any Time
Any Time
ISO
Steel Structure Walkway, Foot Pedal, Drain Cover
Flat Shape
Machine Welding
Carbon Steel
Jiuwang
Steel Belt
ISO9001
Hebei Anping
7308900000
Product Description
 
1.   steel stair treads 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.

2. steel stair treads grating  type.

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
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. steel stair treads grating steel stair treads 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

 5. steel stair treads grating   finished

6.company review
1.Own independent three press-welded steel grating machine and we have our own biggest galvanization product line in local market
2.profession design and drawing teams customize based on customers'requirement
3.ISO9001 Certificate
4.Located in Anping wire mesh base Hebei province,near from Beijing airport,Tianjin sea Port!
5.Now we adopted automatic bending machine, robot welding machine,the grating quality get more perfect and price more competitive!
 
 
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