Hot DIP Galvanized Metal Construction Building Material Step Ladder/out Door Stair Treads Step Ladder

Min.Order: 10
Product origin: Hengshui, Hebei, China
Infringement complaint: complaintComplaint
US$ 500 ~ 700

Description

 
1.what is steel grating ? wastewater treatment plant equipment

  -- Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.

 


 

2.steel grating specification-   drain playground floor cover 

 

  panel size available(black grating): 1000x5800mm or 1000x6000mm ,7315*1000mm

 

Bearing bar pitch 

  Cross bar pitch

 load steel size ( Width ×Thickness)

20×3

25×3

32×3

40×3

20×5

25×5

30

100

G203/30/100

G253/30/100

G323/30/100

G403/30/100

G205/30/100

G255/30/100

50

G203/30/50

G253/30/50

G323/30/50

G403/30/50

G205/30/50

G255/30/50

40

100

G203/40/100

G253/40/100

G323/40/100

G403/40/100

G205/40/100

G255/40/100

50

G203/40/50

G253/40/50

G323/40/50

G403/40/50

G205/40/50

G255/40/50

60

50

-

G253/60/50

G253/60/50

G403/60/50

G205/60/50

G255/60/50

Bearing bar pitch 

Cross bar pitch

load steel size (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

3. Anping metal walking grates introduction--   wastewater treatment plant equipment

 

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

 

 

 bearing bar types: I type,serrated,Plain

 surface treatment: mill finish,hot dip galvanized,painted


4.steel grating standard--  steel stair treads

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

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

 
3. serrated 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

 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.


7.our company activity( new year open in snow, attend economic meeting,dinning with customer,group trour,canton fair show)


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. 

Product Tag:
Related categories:
Scroll to Top