Galvanized steel grating is steel bar according to a certain distance andcross bar arranged and welded into the middle of a square latice with aniron and steel products . lt is mainly used on the industrial platform,walkingflooring,drainge cover, well cover,oil platform,stair tread step etc.

Features And Advantages Of Steel Stair Tread

Easy To Install:
Steel Stair Treads Can Be Welded Or Bolted To The Stair Frame, Making TheInstallation Process Relatively Simple. In Addition, Sizes And Shapes Can BeCustomized To Suit Specific Application Requirements To AccommodateDifferent Stair Constructions.
Corrosion Resistance:Steel Stair Treads Are Usually Hot-Dip Galvanized Or Other Anti-CorrosionTreatments, Giving Them Good Corrosion Resistance. This Makes lt SuitableFor A Variety Of Environments, Both Indoors And Outdoors And MaintainsIts Appearance And Performance Over Time.

1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 25 x 3 to 100 x 8; 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, 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) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel

4) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing

5) 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