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Help Center304 316 Stainless Steel Perforated Tube for Industrial Filtration Applications
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998), we specialize in producing high-quality 304 316 Stainless Steel Perforated Tubes designed for demanding industrial filtration applications. Our tubes combine precision perforation with superior corrosion resistance, ensuring reliable performance in liquid, gas, and chemical filtration systems. With over two decades of experience and an annual export value of US$5-10 million, we deliver products that meet global standards and satisfy customers across North America, Europe, Asia, and beyond.
Our perforated tubes are manufactured from premium 304 and 316 stainless steel grades, offering excellent durability and resistance to rust, heat, and chemicals. The tubes are available in various hole patterns, diameters, and lengths to suit specific filtration requirements. Whether you need a standard size or a custom design, our factory can provide solutions with short lead times and competitive pricing.
Key Features & Technical Specifications
- Material Options: 304 stainless steel (general corrosion resistance) or 316 stainless steel (enhanced resistance to chlorides and acids).
- Perforation Types: Round holes, square holes, slotted holes – all produced with consistent accuracy (tolerance ±0.05mm).
- Versatile Sizes: Outer diameter from 10mm to 200mm; wall thickness from 0.5mm to 5mm; lengths up to 6 meters.
- Surface Finishes: Pickled, polished, or annealed – optional oil coating for extra protection against oxidation.
- Customizable Ends: Plain cut, beveled for welding, or threaded for easy connection.
- Industrial Applications: Water treatment, oil & gas filtration, food & beverage processing, pharmaceutical manufacturing, chemical refining, and HVAC systems.
| Parameter | Available Range |
| Hole Diameter | 0.5 mm – 20 mm |
| Open Area Ratio | 10% – 60% (customizable) |
| Tube Length | 100 mm – 6000 mm |
| Wall Thickness | 0.5 mm – 5 mm |
| Material Grade | 304 / 304L / 316 / 316L |
| Perforation Pattern | Staggered, linear, or custom |
Why Choose Our Perforated Tubes?
- Precision Manufacturing: CNC-controlled punching machines ensure consistent hole size and spacing, guaranteeing uniform flow distribution.
- Long Service Life: 316 grade offers superior pitting resistance, making it ideal for seawater, chemical, and high-temperature environments.
- Cost-Effective: Factory-direct pricing eliminates middlemen, saving you 15-30% compared to distributors.
- Fast Delivery: With ample stock of raw materials and efficient production lines, we can ship orders within 15-25 days.
- Global Logistics: Shipping from Tianjin, Qingdao, Shanghai, and Foshan ports to major markets worldwide.
Our factory has supplied stainless steel perforated tubes to hundreds of industrial clients, including water treatment plants, chemical manufacturers, and food processing companies. The tubes are widely used as filter elements, distributor pipes, and support grids in various filtration systems. We are committed to providing custom solutions – simply send us your drawings or specifications, and we will produce the exact tube you need.
Frequently Asked Questions
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Q: What is the difference between 304 and 316 stainless steel for perforated tubes?
A: 304 stainless steel offers good general corrosion resistance and is suitable for most water, air, and mild chemical filtration. 316 stainless steel contains molybdenum, providing enhanced resistance to chlorides, acids, and saltwater, making it ideal for marine, chemical, and pharmaceutical applications. -
Q: Can you customize the hole pattern and size?
A: Yes, we can produce any hole pattern (round, square, slot, etc.) and size within our manufacturing capabilities. Simply provide your required specifications or a sample. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 100 pieces. For custom designs, MOQ is 500 pieces. We also offer small trial orders for new customers. -
Q: How do I choose the right wall thickness?
A: Wall thickness depends on the operating pressure, temperature, and mechanical load. Generally, 1.0mm-2.0mm is common for filtration. For higher pressure, we recommend 2.5mm-5.0mm. Our engineers can help you select the optimal thickness. -
Q: Are the tubes suitable for high-temperature applications?
A: Both 304 and 316 stainless steel can withstand temperatures up to 800°C (1472°F) in continuous service, with 316 offering better oxidation resistance at high temperatures. -
Q: What surface treatments are available?
A: Common treatments include pickling (removes scale and oxide), polishing (smooth finish), and annealing (stress relief). Oil coating can be applied to protect against rust during storage and transport. -
Q: How do you ensure the quality of the tubes?
A: We perform 100% dimensional inspection, visual check, and sample testing for hole accuracy. Material certificates are provided upon request. Our factory has strict quality control procedures in place since 1998. -
Q: What is the typical lead time?
A: For standard sizes, 15-20 days after order confirmation. For custom orders, 20-30 days depending on complexity. Urgent orders can be accommodated with expedited production.
With Anping County Boli Hardware Wiremesh Products Factory, you are partnering with a reliable manufacturer that has been serving global markets since 1998. Our annual export value of US$5-10 million reflects the trust and satisfaction of clients in North America, South America, Europe, Asia, Africa, and Oceania. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) and offer flexible payment terms. Contact us today for a quote or to discuss your specific filtration requirements. Let us provide you with high-quality stainless steel perforated tubes that meet your exact needs.
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