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Help CenterMild Steel Perforated Sheet Heavy Duty 2mm x 20mm Slot Hole Pattern for Acoustic Panels
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer established in 1998 with over two decades of expertise in metal perforation. Our Mild Steel Perforated Sheet Heavy Duty 2mm x 20mm Slot Hole Pattern for Acoustic Panels is engineered to deliver superior sound absorption, structural integrity, and long-lasting performance. Designed specifically for acoustic panel applications, this heavy-duty perforated sheet combines precise slot hole geometry with robust mild steel construction, making it an ideal choice for studios, theaters, industrial noise control, and architectural soundproofing projects.
Each sheet is manufactured using advanced CNC punching technology, ensuring consistent hole spacing, clean edges, and a high open area percentage that maximizes acoustic efficiency. The 2mm thickness provides excellent load-bearing capacity while remaining workable for cutting, bending, and welding. Whether you need standard sizes or custom dimensions, our factory in Hengshui, Hebei, China, is equipped to meet your exact specifications.
Key Features & Technical Specifications
- Material: High-quality mild steel (Q235) with excellent weldability and formability.
- Thickness: 2mm (14 gauge) – heavy duty for demanding environments.
- Slot Hole Pattern: 20mm long slots with staggered arrangement – optimized for acoustic absorption.
- Open Area: Approximately 40% – balances sound transparency with structural strength.
- Surface Finish: Available in plain black (mill finish), hot-dip galvanized, or powder-coated per request.
- Standard Sizes: 1000mm x 2000mm, 1250mm x 2500mm, or custom.
- Edge Treatment: Deburred edges for safe handling and easy installation.
| Parameter | Value |
|---|---|
| Material Grade | Q235 Mild Steel |
| Sheet Thickness | 2.0 mm (±0.1 mm) |
| Slot Length | 20 mm |
| Slot Width | 5 mm (typical) |
| Center-to-Center Spacing | 25 mm (lengthwise) x 15 mm (widthwise) |
| Open Area | ~40% |
| Weight per m² | ~15.7 kg |
Advantages for Acoustic Panel Applications
- Enhanced Sound Absorption: The slot hole pattern allows sound waves to pass through and be trapped by backing material, reducing echo and reverberation.
- Structural Rigidity: 2mm mild steel ensures panels remain flat and stable even under heavy loads or vibration.
- Easy Integration: Can be mounted on frames, walls, or ceilings with standard fasteners; compatible with acoustic foam, mineral wool, or fiberglass infill.
- Customizable Dimensions: We can cut sheets to your required size, punch additional holes for mounting, or provide sheets with pre-drilled edges.
- Cost-Effective: Mild steel offers an excellent balance of performance and affordability compared to stainless steel or aluminum.
- Durable & Long-Lasting: With optional galvanization or powder coating, these sheets resist corrosion in indoor and semi-outdoor environments.
Trust & Reliability from a Leading Manufacturer
Anping County Boli Hardware Wiremesh Products Factory has been a reliable supplier of perforated metal solutions since 1998. Our annual export value exceeds US$5 million, serving clients across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) with fast lead times. Every sheet undergoes strict quality control to ensure hole pattern accuracy, flatness, and surface finish. We are committed to providing consistent quality, competitive pricing, and professional support for your acoustic panel projects. Contact us today for a quote or to discuss your custom requirements – we are ready to help you achieve optimal sound control.
Frequently Asked Questions (FAQ)
-
Q: Is this perforated sheet suitable for outdoor use?
A: The standard mild steel finish is best for indoor environments. For outdoor or humid conditions, we recommend hot-dip galvanized or powder-coated options to prevent rust. -
Q: Can you supply sheets with a different slot length or width?
A: Yes, we can customize the hole pattern (slot size, spacing, and shape) based on your acoustic requirements. Minimum order quantities may apply for custom tooling. -
Q: What is the typical lead time for this product?
A: For standard sizes and finishes, lead time is 7–15 days after order confirmation. Custom orders may take 15–25 days depending on complexity. -
Q: How do I mount these sheets for acoustic panels?
A: The sheets can be attached to a wooden or metal frame using screws, rivets, or welding. We recommend using a backing material (e.g., acoustic foam or mineral wool) placed behind the sheet for optimal sound absorption. -
Q: Do you offer samples before bulk order?
A: Yes, we provide samples (e.g., 200mm x 200mm) for quality evaluation. Sample cost is refundable upon bulk order. Just contact our sales team. -
Q: What is the maximum sheet size you can produce?
A: Our standard maximum is 1500mm x 3000mm, but we can produce larger sizes upon request, subject to coil availability and transportation constraints. -
Q: Can you provide a certificate of material (mill test report)?
A: Yes, we can supply a mill test certificate for the mild steel coils used. This is available upon request for quality assurance. -
Q: Is this product suitable for soundproofing a recording studio?
A: Absolutely. The 20mm slot pattern combined with proper acoustic backing material is widely used in recording studios, control rooms, and home theaters to reduce flutter echo and improve sound clarity.
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