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Astm A36 Steel Grating
1.Product Overview
Steel grating is a type of grating made of steel bars or flat bar. The smooth surface contrast with serrated steel grating, which has a serrated surface. plain steel grating is the most widely used grating type, which is used in almost all of the applications
2. Keywords
The grid structure of steel grating provides natural anti-slip surfaces, ensuring safe passage even in wet or oily conditions. The open design allows liquids, snow, and ice to fall through naturally, effectively preventing water accumulation and ice formation, significantly enhancing workplace safety.
Keywords: efficient anti-slip grating, grid anti-slip surface, wet environment safety, natural liquid drainage, workplace safety.
3. Technical Parameters of Steel Grating
Parameter | Specification Range | Standard / Notes |
Material Grade | Q235, Q345, SS400, ASTM A36 | GB/T, ASTM, JIS |
Bearing Bar Thickness | 3mm - 10mm | ±0.1mm tolerance |
Bearing Bar Width | 20mm - 65mm | ±0.5mm tolerance |
Cross Bar Diameter | 6mm - 10mm | Round or twisted |
Mesh Size | 30×30 mm - 60×60 mm | Customized sizes available |
Panel Size | 1000×6000 mm (standard) | Customized sizes available |
Surface Treatment | HDG, Painted, Black | Hot-dip galvanized standard |
4. Application Scenarios
Industrial Platforms & Walkway Systems
Used in factory operation platforms, equipment maintenance passages, pipeline corridors, etc. The anti-slip characteristics and load capacity ensure safe worker passage, while ventilation and light transmission improve working environments and production efficiency.
Municipal Construction & Public Facilities
Applied in pedestrian bridges, trench covers, stair treads, and other municipal projects. The aesthetic appearance and durability meet dual requirements for safety and aesthetics in public facilities, enhancing urban image.
Environmental Protection & Sewage Treatment
Used in sewage treatment plant platforms, filter screens, and inspection walkways. The corrosion resistance and water permeability make it particularly suitable for humid and corrosive environments, ensuring long-term stable operation of environmental facilities.
5.FAQs
Q1: How do I choose the corrosion protection treatment for steel grating?
A1: For general indoor environments, standard galvanizing is sufficient. In humid or outdoor conditions, hot-dip galvanizing is recommended. For highly corrosive environments (e.g., chemical plants, coastal areas), stainless steel (grade 304 or 316) or special coatings (e.g., epoxy, powder coating) should be considered. The choice should be based on the specific environmental corrosivity and project budget.
Q2: How is the load-bearing capacity of steel grating calculated?
A2: The load capacity is determined based on the bearing bar specifications (height, thickness), mesh spacing, span between supports, and the type of load (uniform or point load). It is essential to refer to relevant engineering standards (such as NAAMM, EN, or AS) or consult directly with the manufacturer. For critical applications, professional structural calculations must be performed to ensure safety and compliance.
Q3: What should be noted during the installation of steel grating?
A3: Ensure supports are level and adequately sized. Use recommended fasteners (such as grating clips or bolts) for secure fixing. All cut edges must be properly treated (e.g., painted or zinc-rich paint applied) to restore corrosion protection. Maintain consistent bearing bar direction for structural integrity. For safety-critical installations, load testing is advised to verify that the installation meets design specifications.
