Mild Steel Stair Treads Grating , Stainless Steel Stair Treads Anti Corrosion

Brand Name:TT
Certification:ISO9001:2015
Model Number:TT-7
Minimum Order Quantity:100Pieces
Delivery Time:5-8days
Payment Terms:L/C, T/T
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Address: Raoyang County Xicheng street north
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ISO9001:2015 Steel Stair Treads Grating Made By Steel Bar Grating


Product Name:Steel Stair Treads Grating


Steel Stair Treads Grating Details:Stair Streads made by many various types to any length and width,which are also available in either


serrated or smooth grating


Developed a new type of steel grating stair tread in accordance with our client's project specifications.


Stair Treads have bolted end plates measuring 65*5mm or 83mm*5mm and yellow abrasive nosing measuring 30mm*70mm*3mm


1)Bearing Bar (Load Bar) Specifications (mm):


The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10; The specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x


5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2) Bearing Bar Pitch (center to center):


12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are


recommended,


America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >

3) Cross Bar Pitch (center to center):


38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on

4) Material:


Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:


Untreated, Painting or Hot DIP Galvanizing

6) Steel grating standards:


A) China: YB/T4001-1998


B) USA: ANSI/NAAMM (MBG531-88)


C) UK: BS4592-1987


D) Australia: AS1657-1985


E) Japan: JJS.


Steel Stair Treads Grating Specification:


T1Without Nosing, Welding fixing
T2Without Nosing, Bolted fixing
T3Checkered Plate Nosing, Welding fixing
T4Checkered Plate Nosing, Bolted fixing

ItemRecommended maximum stair treads length (mm)
Bearing bar dimension mm25*325*532*5
Bearing bar's pitch at 30 mm5509001300
Bearing bar's pitch at 40 mm4507501200

ItemRecommended stair treads width (mm)
T1/T2/T3/T4
Bearing bar pitch at 30mm
95125155185215245275
T1/T2
Bearing bar pitch at 40mm
T3/T4
125165205245285
115155195235275
Fixing hole center(mm)4575100150

How to order Grating:


Bearing Bar Size:tell me the bearing bar thickness and depth(space)and the cross rods center to center


Bearing Bar Type :Bearing bar surface Serrated or Smooth


Stair Stead Type:the stair stead type:T1 T2 T3 T4


Stair Stead Size:Type size (width and Length )


Material:Steel,Stainless Steel,Or Aluminum


Package:Pallet


Surface Treatment:Mill,Black Paint,Or Galvanized


Steel Stair Treads Grating Picture:



China Mild Steel Stair Treads Grating , Stainless Steel Stair Treads Anti Corrosion supplier

Mild Steel Stair Treads Grating , Stainless Steel Stair Treads Anti Corrosion

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