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Carbon Steel Grating: Cost-effective and suitable for dry, non-corrosive workshops (e.g., assembly workshops with no chemical exposure). It requires regular anti-rust treatment (e.g., painting, galvanizing) to extend service life.
Hot-Dip Galvanized Steel Grating: The most widely used type in workshops. The galvanized layer (thickness ≥85μm) provides strong corrosion resistance, making it suitable for humid, dusty, or mildly corrosive environments (e.g., welding workshops, food processing plants with water exposure).
Stainless Steel Grating: Made of 304 or 316 stainless steel, it offers excellent corrosion resistance to acids, alkalis, and salts. It is ideal for harsh environments (e.g., chemical workshops, electroplating plants) but has a higher cost, so it is generally used in key corrosion-prone areas.
Grid Spacing: Smaller spacing (e.g., 10mm×100mm) enhances slip resistance and load capacity, suitable for wet or high-traffic areas; larger spacing (e.g., 20mm×100mm) improves ventilation and drainage, ideal for outdoor or drainage covers.
Thickness and Size: The thickness of the grating depends on the span—longer spans require thicker grating to avoid deformation. Customize the size according to the workshop’s floor layout to minimize joints, as excessive joints reduce structural stability and increase installation complexity.
Surface Treatment: In addition to galvanizing, options include painting (low cost, suitable for temporary use) and powder coating (wear-resistant, colorful, suitable for workshops with aesthetic requirements). For slip-prone areas, choose serrated steel grating, which provides better anti-slip performance than smooth grating.
Pre-Installation Preparation: Clean the installation area, remove debris and obstacles, and check whether the supporting structure (e.g., steel beams, concrete foundations) is flat and firm. Verify that the size and specifications of the grating match the design drawings.
Hoisting and Placement: For large or heavy grating, use a crane with a soft sling to avoid damaging the surface treatment (e.g., galvanized layer). Place the grating gently on the supporting structure, ensuring it is aligned with the installation position and there is no obvious tilting.
Fixing and Connection: Use dedicated fixing clips (e.g., M-type, L-type clips) to secure the grating to the supporting structure. Each grating should be fixed with at least 4 clips—more clips are required for high-traffic or heavy-load areas. Avoid welding the grating directly to the supporting structure, as welding will damage the galvanized layer and cause local corrosion.
Drainage Areas: When using grating as drainage covers, ensure the grid spacing is suitable for preventing debris blockage. Tilt the grating slightly (slope 1%-2%) to accelerate water flow and avoid water accumulation.
High-Temperature Areas: In workshops with high temperatures (e.g., forging workshops), select heat-resistant steel grating and use high-temperature-resistant fixing parts. Regularly check for thermal deformation and adjust the installation position if necessary.
Explosion-Proof Areas: In explosive workshops (e.g., chemical, pharmaceutical), use non-sparking steel grating (e.g., stainless steel) and avoid metal friction during installation to prevent sparks.
Regular Cleaning: Clean the grating surface regularly to remove dust, oil stains, and debris. For corrosive substances (e.g., chemical residues), rinse with clean water immediately to avoid corrosion of the surface treatment layer.
Inspection and Maintenance: Conduct monthly visual inspections to check for loose fixing clips, surface corrosion, or deformation. Tighten loose clips in a timely manner; repair corroded areas by touching up paint or galvanizing; replace severely deformed or damaged grating to avoid safety risks.
Anti-Corrosion Reinforcement: For carbon steel grating, reapply anti-rust paint every 1-2 years; for galvanized grating, check the galvanized layer regularly. If the layer is damaged, use galvanized spray to repair it to maintain corrosion resistance.
