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Help CenterStainless Steel Perforated Sheet, 304 Grade, 1.0mm Thick, 2.5mm Hole, 45% Open Area, 1 Year Warranty, Technical Support Available
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998, with annual export value of US$5-10 million), we are proud to offer our 304 Stainless Steel Perforated Sheet—a versatile solution for demanding industrial applications. This sheet features a precise 1.0mm thickness, 2.5mm round holes, and a 45% open area, balancing strength with excellent flow-through. With a 1-year warranty and responsive technical support, we ensure your project runs smoothly from start to finish.
Our perforated sheets are manufactured using advanced CNC punching machines, ensuring consistent hole size and pattern accuracy. The 304 grade stainless steel offers superior corrosion resistance, making it suitable for both indoor and outdoor use. Whether you need filtration panels, ventilation grilles, acoustic barriers, or decorative cladding, this product delivers reliable performance.
Key Features & Technical Specifications
- Material: Premium 304 stainless steel (equivalent to 1.4301) – excellent rust and chemical resistance
- Thickness: 1.0 mm (0.039 inch) – rigid yet formable for custom fabrication
- Hole Diameter: 2.5 mm (3/32 inch) – ideal for fine filtration and air flow
- Open Area: 45% – high permeability while maintaining structural integrity
- Hole Pattern: Staggered 60° center arrangement – maximizes strength and opening uniformity
- Surface Finish: Standard mill finish; optional brushed, embossed, or PVC coated (available upon request)
- Custom Sizes: Sheets can be cut to your exact dimensions (e.g., 1000x2000mm, 4x8 feet) – no minimum order quantity for standard sizes
- Warranty: 1 year against manufacturing defects – we stand behind our quality
- Technical Support: Our engineers provide free guidance on material selection, installation, and fabrication
| Parameter | Value |
|---|---|
| Material Grade | 304 (AISI) |
| Sheet Thickness | 1.0 mm ± 0.05 mm |
| Hole Diameter | 2.5 mm ± 0.1 mm |
| Open Area | 45% (± 2%) |
| Center Distance (Pitch) | 3.6 mm (staggered) |
| Perforation Tolerance | ISO 2768-m |
| Maximum Sheet Width | 1500 mm |
| Maximum Sheet Length | 6000 mm |
Benefits for Your Business
- Enhanced Durability: 304 stainless steel withstands moisture, UV, and mild chemicals, reducing replacement costs.
- High Flow Efficiency: 45% open area ensures minimal pressure drop in ventilation or filtration systems.
- Customizable Fabrication: Easily cut, welded, or bent to fit your specific design without compromising hole integrity.
- Consistent Quality: Our automated production lines guarantee uniform hole alignment and burr-free edges.
- Cost-Effective: Direct factory pricing eliminates middleman markups, saving you up to 20% compared to distributors.
- Fast Lead Times: Standard sizes ship within 7-10 days; custom orders within 15-20 days from our port in Tianjin/Qingdao.
With over 20 years of manufacturing experience and a global export network reaching North America, Europe, Southeast Asia, Africa, and Oceania, Anping County Boli Hardware Wiremesh Products Factory has supplied perforated metal sheets to thousands of satisfied clients. Our annual export value of US$5-10 million reflects our commitment to quality and reliability. We back every sheet with a 1-year warranty and free technical support, ensuring you get the right product and installation guidance. Choose our 304 stainless steel perforated sheet for your next project—contact us today for a quote or sample.
Frequently Asked Questions
Q1: What is the maximum sheet size available?
We can produce sheets up to 1500mm wide and 6000mm long. Common sizes like 1000x2000mm and 4x8 feet are kept in stock. Custom sizes are available with a short lead time.
Q2: Can I get a brushed or polished finish?
Yes, we offer optional surface treatments including brushed, mirror polished, PVC coated, and powder coated finishes. Please specify your requirement when ordering.
Q3: How do you calculate the open area?
Open area is determined by the hole diameter and pitch (center distance). For 2.5mm holes with 3.6mm staggered pitch, the open area is approximately 45%. We can adjust the pattern to achieve different open areas if needed.
Q4: Is this product suitable for outdoor use?
Yes, 304 stainless steel has excellent corrosion resistance for outdoor environments, especially in coastal or industrial areas. For severe marine conditions, we recommend 316 grade (available upon request).
Q5: What is the minimum order quantity?
Standard sizes have no minimum order quantity. For custom sizes or non-standard hole patterns, a minimum of 10 sheets may apply.
Q6: Do you provide samples before bulk order?
Yes, we offer free samples (shipping cost covered by buyer). Sample size is typically 200x200mm or 300x300mm. Contact us for sample availability.
Q7: How long does shipping take?
For standard orders, production takes 7-10 days, then sea freight from Tianjin or Qingdao to major ports takes 15-30 days depending on destination. Express air freight is available for urgent orders.
Q8: What is your warranty policy?
We provide a 1-year warranty against manufacturing defects such as brittle cracking, delamination, or incorrect hole dimensions. If you encounter any quality issues, we will replace or refund the defective sheets.
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