Factory Supplier High Quality Galvanized Metal Grating Home and House Depot Yard Walkway with 1 Year Warranty

Steel grating is available in various material, such as stainless steel, aluminum, and galvanized steel. Among them, the galvanized steel grating is the most cost effective and economical type with long service life and high load bearing stength. And it is the most widely used in industrial, commercial and residential projects.

Welded galvanized grating. The cross bars are welded onto bearing bars with the high pressure resistance welding machine and then cutting, banding, surface treatment.
Press-locked galvanized grating. The cross bars are pressure locked onto the bearing bars with grooving and then welding and hot dipped galvanizing.

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Product Description
Steel Grating Drainage Trench Cover and Well Cover

Steel bar grating is a good choice for strength, safety, long-term cost and durability.
Bar Grating consists of a series of bearing bars, welded (or otherwise joined) at various intervals to
perpendicular cross bars to form a load-bearing panel. It is available in a wide selection of panel sizes.

Stair treads are the horizontal sections of stairs that serve as the step surface of each step.
These treads are installed on the top of each step.

1.Material:
Low Carbon Steel or Stainless Steel

2.Surface Treatment:
Untreated, Painting or Hot Dipped Galvanizing

3.Steel grating standards:
A. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988
E: Japan: JIS

Specifications:

--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.

--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),(19-w-2) and so on.>

--Cross Bar Pitch (center to center):
38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are
recommended, America standard is available.

Application

Steel grating regularly appears on catwalk, factory floor, platform, railing infill panel, stair tread, foot pedal,
drain cover, commercial and industrial flooring.