.

 customized Steel Grating Stair Treads 

T4 Steel Grating Stair Treadscustomized Steel Grating Stair Treadscustomized Steel Grating Stair Treads SupplierOur company produces complete steel ladders with hand railings which are made of grating treads. According to whether the nosing to be used and the methods of mounting to stringers,grating treadsare classified into four types, expressed as T1,T2,T3andT4. In view of economics it is advisable to use the recommended lengths and widths belowT1 Welded Fixing without Nosing

Type of Stair Treads

Checkered plate nosing

Structure Characteristics

T4

YES

For anchoring with bolts, the two ends are closed with 65 x 5 mm flat bars with holes with checkered plate nosing

RecommendedStair TreadsWidth

T1,T2,T3,T4Bearingbarat30mmpitch

95

125

155

185

215

245

275

T1,T2Bearing bars 40mm pitch

125

165

205

245

285

T3, T4 Bearingbars40mmpitch

115

155

195

235

275

Fixingholecenters

45

75

100

150

Grating Size

Grade

CN: Q235, Q345, USA: A36, UK: 43A

Standard

CN: YB/T4001-1998, USA: ANSI/NAAMM, UK: BS4592-1987, AUS1657-1988, JJS

Certification

CE, GOST, ISO9001, ISO14001, HSE

Bearing bar type

Plain, Serrated (tooth-like), I bar (I section), Serrated-I

Bearing bar size

20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4.75X8,100X8mm,etc

Bearing bar pitch

20,25,30,32.5,34.3,40,50,60,62,65mm

Cross bar size

5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar)

Cross bar pitch

0, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc.

Panel size

3x20ft,3x24ft,3x30ft,5800x1000,6096x1000,6400x1000, as request

Surface treatment

Untreated, hot dip galvanized, cold dip galvanized, painted, powder coated,pickling, electrolytic polishing, or as customers' requirement.

Galvanization Standard

CN: GB/T13912, USA: ASTM (A123), UK: BS729

Color

Silver/Black

Application

petroleum and chemical, port, power, transportation, papermaking, medicie, steel and iron, food, municipality, real estate, manufacturing

SURFACE TREATMENT

Three ways of surface treatment can be adopted: galvanizing, painting and untreated, of which hot- dip galvanizing is recommended.

Hot-dip galvanizing

It is a form of galvanization. It is a process of coating steel grating with a thin zinc layer. By passing the metal through a molten bath of zinc, the average coating thickness is 70μm whensteel bardsrange from 3mm to 5mm in thickness.

Painting

It is also a good way to get surface protective film. Coating thickness depends on the customer's choice.


在线联系供应商

至: Yantai Haorui Metalwork Co.,Ltd.
Your E-mail:
消息正文:


Send to other suppliers

Other supplier products

 Black Steel Grating Stair Treads 
 Black Steel Grating Stair Treads  T3 Steel Grating Stair TreadsBlack Steel Grating Stair TreadsSteel Grating Stair Treads for transportationOur company produces completesteel ladder...
 Serrated Bar Steel Grating
 Serrated Bar Steel Grating Serrated Bar Steel Grating,Untreated Steel Grating Manufacturer,Steel Grating Stair TreadsUntreated Steel Grating ManufacturerSteel Grating Stair T...
 T3 Steel Grating Stair Treads 
 T3 Steel Grating Stair Treads  Painted Steel GratingT3 Steel Grating Stair TreadsT2 Steel Grating Stair TreadsSPECIFICATIONS Table 1: Specifications ofWelded Steel Grating...
 T4 Steel Grating Stair Treads
 T4 Steel Grating Stair Treads T4 Steel Grating Stair Treads,customized Steel Grating Stair Treads,customized Steel Grating Stair Treads Suppliercustomized Steel Grating Stair ...
 Serrated bar Aluminum Grating 
 Serrated bar Aluminum Grating  Serrated bar Aluminum GratingAluminum Grating FactorySerrated bar Aluminum Grating Item Content Mark The size oftheb...
供应产品

Same products

Antimicrobial Lacquered Aluminum Foil for Insulation
Antimicrobial Lacquered Aluminum Foil for Insulation 卖方: HIGH TECH VIP Antimicrobial Lacquered Aluminum Foil for Insulation Product Description Anti-microbial lacquer...
PUR PIR Sandwich Panel
PUR PIR Sandwich Panel 卖方: HIGH TECH VIP PUR PIR Sandwich Panel Product Description PUR PIRSandwich boardsfor the construction industry ...
Fumed Silica Vacuum Insulation Panels (VIP)
Fumed Silica Vacuum Insulation Panels (VIP) 卖方: HIGH TECH VIP Fumed Silica Vacuum Insulation Panels (VIP) Product Description Fumed Silica Vacuum Insulation ...
Four-Sided Sealed Shell VIP Series
Four-Sided Sealed Shell VIP Series 卖方: HIGH TECH VIP Four-Sided Sealed Shell VIPSeries Product Description Four-Sided Sealed Shell VIPis a groundbre...
Steel Mesh Fence Panels
Steel Mesh Fence Panels 卖方: 00000 Steel Mesh Fence Panels Steel Mesh Fence Panels offer a durable, secure, and versatile fenc...