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Help CenterHelically Perforated Stainless Steel Tube 304 10mm-50mm OD 2mm Hole Diameter
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory, established in 1998, we take pride in offering high-quality Helically Perforated Stainless Steel Tube 304 with outer diameters ranging from 10mm to 50mm and a precise 2mm hole diameter. Our helical perforation pattern ensures uniform flow distribution, exceptional strength, and resistance to clogging, making these tubes ideal for demanding industrial applications. With over two decades of expertise and annual export values reaching US$5-10 million, our products are trusted by clients across North America, Europe, Asia, and beyond.
Key Features & Technical Specifications:
- Material: Premium Grade 304 Stainless Steel – excellent corrosion resistance, durability, and hygiene.
- Outer Diameter Options: Available in 10mm, 20mm, 30mm, 40mm, and 50mm (custom sizes upon request).
- Hole Diameter: 2mm – consistent and precise for optimal filtration or fluid flow.
- Perforation Pattern: Helical (spiral) arrangement – maximizes open area while maintaining structural integrity.
- Wall Thickness: Standard 1.0mm, 1.5mm, 2.0mm (customizable).
- Length: Up to 6 meters per piece, or cut to your specifications.
- End Finish: Available plain, threaded, or flanged for easy installation.
| Outer Diameter (mm) | Hole Diameter (mm) | Open Area (%) | Typical Weight (kg/m) |
| 10 | 2 | ~25% | 0.25 |
| 20 | 2 | ~30% | 0.60 |
| 30 | 2 | ~32% | 1.05 |
| 40 | 2 | ~35% | 1.60 |
| 50 | 2 | ~38% | 2.20 |
Advantages for Your Applications:
- Filtration Efficiency: The helical pattern ensures even distribution of particles, reducing pressure drop and extending service life.
- Structural Strength: Unlike straight perforations, the spiral design enhances the tube’s resistance to deformation under high pressure or temperature.
- Versatility: Suitable for liquid filtration, gas diffusion, sound attenuation, heat exchangers, and architectural decorative elements.
- Easy Maintenance: Smooth internal surface minimizes buildup; can be cleaned by backwashing or chemical flushing.
- Customization: We offer tailored dimensions, end connections, and surface treatments (e.g., passivation, electropolishing) to meet your exact requirements.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been a dedicated manufacturer specializing in wire mesh and perforated metal products. Our factory is located in Hengshui, Hebei, China, with easy access to major ports including Tianjin, Qingdao, Shanghai, and Foshan. With annual export revenues of US$5–10 million, we serve diverse markets worldwide. Our team ensures strict quality control at every stage, from raw material selection to final packaging. Whether you need a standard size or a custom solution, we offer competitive pricing, timely delivery, and professional after-sales support.
Frequently Asked Questions (FAQ):
Q1: What is the typical lead time for this helically perforated tube?
A: For standard sizes (10-50mm OD), lead time is 15-20 working days after order confirmation. Custom orders may require 25-30 days.
Q2: Can you provide samples before bulk order?
A: Yes, samples are available. Please contact us for sample cost and shipping details.
Q3: What is the maximum length you can produce?
A: Standard length is up to 6 meters. Longer lengths are possible with special handling; please inquire.
Q4: Is the tube suitable for high-temperature applications?
A: Grade 304 stainless steel can withstand temperatures up to 870°C in intermittent service and 925°C in continuous service. For extreme conditions, consider 316L or other alloys.
Q5: How do you ensure the hole diameter accuracy?
A: We use precision CNC punching machines and conduct 100% inspection for hole diameter tolerance within ±0.1mm.
Q6: Do you offer custom end connections?
A: Yes, we can provide plain ends, threading, flanges, or welding preparation as per your drawing.
Q7: What packaging do you use for export?
A: Tubes are packed in wooden crates with foam protection to prevent damage during transit. We also offer palletized packaging if required.
Q8: Can you supply in small quantities?
A: Minimum order quantity is generally 50 pieces for standard sizes. For smaller quantities, please contact our sales team.
Ready to order? Contact us today for a quote or technical consultation. Our experienced team will help you select the best tube solution for your project.
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