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Help CenterMild Steel Perforated Sheet Heavy Duty 5mm Thick 15mm Square Hole 50% Open Area
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Mild Steel Perforated Sheet Heavy Duty 5mm Thick with 15mm Square Hole and 50% Open Area. This product is engineered to deliver exceptional strength, durability, and precise open area for demanding industrial applications. Our factory, established in 1998 and exporting annually US$5-10 million to global markets, ensures every sheet meets rigorous quality standards.
The heavy-duty perforated steel sheet is cold-rolled from high-quality mild steel, featuring a 5mm plate thickness that provides outstanding structural integrity. The 15mm square holes are arranged in a staggered pattern to achieve a uniform 50% open area, making it ideal for applications requiring high flow rates, ventilation, or filtration. Each sheet is manufactured with burr-free edges and consistent hole spacing, ensuring easy installation and long service life.
Key Features & Technical Specifications
- Material: Premium mild steel (Q235) with excellent weldability and formability.
- Thickness: 5mm ±0.2mm tolerance, providing heavy-duty load-bearing capacity.
- Hole Geometry: Square holes 15mm × 15mm with round corners (optional sharp edges upon request).
- Open Area: 50% ±2% – optimized for maximum airflow while maintaining strength.
- Surface Finish: Available in plain mill finish, hot-dip galvanized, or powder-coated (custom colors).
- Dimensions: Standard sheets 1000×2000mm, 1220×2440mm, or custom sizes up to 1500×3000mm.
- Packing: Plywood pallets with steel straps, suitable for sea freight.
| Parameter | Value |
|---|---|
| Material | Mild Steel (Q235) |
| Plate Thickness | 5 mm |
| Hole Size | 15 mm × 15 mm (square) |
| Open Area | 50% |
| Weight per Sq. Meter | Approx. 39.25 kg (based on 50% open area) |
| Max Sheet Size | 1500×3000 mm (customizable) |
| Standard | Perforated metal industry standard (GB/T 1239-2012) |
Advantages & Customer Benefits
- High Load Capacity: 5mm thick plate withstands heavy loads, suitable for industrial walkways, machine guards, and structural grating.
- Efficient Filtration: 50% open area allows high flow rates for liquid or air filtration, reducing pressure drop.
- Versatile Applications: Used in mining, construction, agriculture, automotive, and food processing industries.
- Easy Fabrication: Mild steel can be cut, welded, bent, or punched without cracking.
- Corrosion Resistant Options: Galvanized or painted finishes extend service life in harsh environments.
- Cost-Effective: Competitive pricing with consistent quality, reducing project costs.
Our factory has been serving global clients since 1998, with annual export value of US$5-10 million to markets including North America, Europe, Southeast Asia, and Africa. We ship from Tianjin, Qingdao, Shanghai, and Foshan ports, ensuring timely delivery. All sheets are inspected dimensionally and visually before packing to ensure zero defects.
Frequently Asked Questions
- What is the tolerance on hole size and thickness? Hole size tolerance is ±0.5mm, thickness tolerance is ±0.2mm, and open area tolerance is ±2%.
- Can I get the sheet in different sizes? Yes, we offer custom cutting to your required dimensions. Please specify your length and width when ordering.
- Is this sheet suitable for outdoor use? The plain mild steel version is not weather-resistant; we recommend hot-dip galvanized or powder-coated finish for outdoor applications.
- What is the maximum load capacity of a 5mm thick sheet? Load capacity depends on support spacing and hole pattern. For a 1000×2000mm sheet with supports at 500mm centers, it can support approximately 300 kg/m² uniformly distributed load (theoretical). Contact us for detailed calculation.
- How do you pack the sheets for export? Sheets are stacked on plywood pallets, wrapped with waterproof paper, and secured with steel straps. Each pallet is labeled with product details.
- What is the minimum order quantity (MOQ)? MOQ is 50 sheets for standard sizes. For custom sizes, MOQ may be higher. Please inquire.
- Can I request a sample before bulk order? Yes, we provide samples of 200×200mm for a nominal fee, refundable with bulk order. Shipping cost is extra.
- Do you have any certifications for quality? We follow strict in-house quality control procedures. While we do not claim specific third-party certifications, our products comply with Chinese national standards and are widely accepted in international markets.
With a dedicated team of 120+ skilled workers and advanced CNC punching machines, we produce over 10,000 tons of perforated metal annually. Our reputation for reliability and competitive pricing has earned us long-term partnerships with distributors in more than 30 countries. Contact us today for a quote or technical consultation – we are ready to support your project with tailored solutions.
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