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Help CenterStainless Steel Perforated Metal Sheets 304 Grade 0.5mm Hole 0.8mm Thick 40% Open Area for Filtration
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to present our Stainless Steel Perforated Metal Sheets 304 Grade 0.5mm Hole 0.8mm Thick 40% Open Area — a premium solution designed for high-precision filtration applications. These sheets combine the corrosion resistance of 304 stainless steel with a carefully engineered 0.5 mm hole diameter and 0.8 mm thickness, offering an optimal balance of strength and flow. With a 40% open area, they ensure efficient liquid or gas passage while maintaining structural integrity. Trusted by clients across North America, Europe, Southeast Asia, and beyond, our perforated sheets deliver consistent performance for demanding industrial uses.
Key Features & Specifications
- Material: Premium 304 Stainless Steel — excellent corrosion resistance, durability, and hygiene.
- Hole Diameter: 0.5 mm (±0.05 mm tolerance) — fine filtration without clogging.
- Sheet Thickness: 0.8 mm — robust enough for structural support yet lightweight.
- Open Area: 40% — high flow rate for filtration and ventilation.
- Pattern: Staggered round holes — uniform distribution and maximum strength.
- Surface Finish: Mill finish standard; brushed, polished, or coated options available upon request.
- Custom Sizes: Sheets can be cut to your exact dimensions, with or without edge reinforcement.
- Applications: Liquid filtration, air intake screens, sifting, drainage, acoustic panels, and architectural facades.
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel (UNS S30400) |
| Hole Diameter | 0.5 mm (0.020 in) |
| Sheet Thickness | 0.8 mm (0.031 in) |
| Open Area | 40% |
| Hole Pattern | Staggered (60° triangular pitch) |
| Standard Sheet Size | 1m × 2m, 1.25m × 2.5m, or custom |
Technical Advantages: The 0.5 mm hole diameter is specifically selected for fine filtration of particles down to 0.5 mm, while the 0.8 mm thickness provides rigidity to withstand pressure and handling. The 40% open area ensures high throughput, reducing energy consumption in filtration systems. Our 304 stainless steel offers excellent resistance to oxidation, acids, and chlorides, making it suitable for food processing, chemical plants, and marine environments.
Customization Options: We offer custom cutting, punching, flattening, and edge forming. Sheets can be supplied with protective film, deburred edges, or laser-cut precision. For specific requirements like different hole patterns (square, slot, hexagonal) or alternate open areas, please contact our engineering team.
Why Choose Boli Hardware Wiremesh? With over 25 years of manufacturing experience, we are a factory-direct supplier with annual export value of US$5–10 million. Our products are shipped from Tianjin, Qingdao, Shanghai, and Foshan ports, ensuring timely delivery worldwide. We serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Each batch undergoes strict quality control — from raw material verification to dimensional inspection and open area testing. We are committed to providing reliable, cost-effective perforated metal solutions for your business.
Frequently Asked Questions (FAQ)
-
What is the exact chemical composition of your 304 stainless steel?
Our 304 grade contains 18% chromium and 8% nickel, with low carbon content, meeting ASTM A240 standards. Detailed mill certificates are available upon request. -
Can these sheets be used for food contact applications?
Yes, 304 stainless steel is widely used in food processing, and our perforated sheets are non-toxic and easy to clean. However, we recommend confirming specific hygiene requirements with your local regulator. -
What is the maximum sheet size you can produce?
Standard sizes go up to 1.5m × 3m, but we can produce custom sizes up to 2m × 6m depending on thickness and pattern. Please inquire for large orders. -
How do you ensure the hole diameter tolerance?
We use high-precision CNC punching machines with regular die maintenance. The typical tolerance is ±0.05 mm for 0.5 mm holes. For tighter tolerances, please specify. -
Do you offer samples before bulk order?
Yes, we provide free samples (approximately 200×200 mm) for qualification. The buyer pays shipping; samples are ready within 5–7 working days. -
What packaging do you use for export?
Sheets are interleaved with protective paper, packed in wooden crates or pallets, and secured with steel straps. Waterproofing and fumigation are available upon request. -
Can the sheets be cut to irregular shapes?
Yes, we can laser-cut or plasma-cut custom shapes, including circles, ovals, and complex contours. Additional charges apply based on geometry. -
What is the typical lead time for a 1000-piece order?
For standard sizes and patterns, lead time is 15–20 working days after deposit. Custom patterns may require 25–30 working days.
Contact us today for a quote or technical consultation. With decades of expertise and a global footprint, we are your trusted partner for high-quality perforated metal sheets.
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