What Is Galvanized Grating?
Galvanized grating consists of metal grates that undergo a specialized zinc coating process called galvanization. This treatment creates a protective barrier that significantly enhances the material's resistance to rust and corrosion. GNEE Steel provides premium grating manufactured from high-strength steel, offering superior structural integrity while withstanding harsh environmental conditions.
Hot DIP galvanized metal grating has three kinds of steel gratings: Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers. We can design and manufacture standard steel grating and customized shapes per client's requirements.
Technical Specifications
Bearing Bar (Load Bar) Specifications
Plain type and serrated type bearing bar: 20 x 3 to 100 x 10 mm
I-section type: 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 (30, 40, 60mm recommended)
American standard 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 more
Cross Bar Pitch (center to center)
38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and more
Material
Mild Steel (Low Carbon Steel) or Stainless Steel
Surface Treatment
Untreated, Painting or Hot DIP Galvanizing
Steel Grating Standards
- China: YB/T4001-1998
- USA: ANSI/NAAMM (MBG531-88)
- UK: BS4592-1987
- Australia: AS1657-1985
- Japan: JJS
Frequently Asked Questions
What is steel grating?
Steel grating is a structural platform made from steel bars welded or pressed together to form a grid.
What types of steel grating are available?
Common types include welded, press-locked, and serrated steel grating.
What materials are used for steel grating?
Typically carbon steel, galvanized steel, stainless steel, or aluminum.
What is the load capacity of steel grating?
Load capacity depends on bar size, spacing, and grating type; it can be designed to carry light to heavy industrial loads.
Can steel grating be customized?
Yes, grating can be cut, shaped, and fabricated to fit specific dimensions and applications.
What are the common surface finishes?
Plain, hot-dip galvanized, electro-galvanized, painted, or powder-coated.
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