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Help CenterStainless Steel Helically Perforated Tube, 1.5mm Hole Diameter, 2mm Pitch, 304 Material, 6m Length
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – your trusted partner in precision perforated metal solutions since 1998. Our Stainless Steel Helically Perforated Tube with 1.5mm hole diameter and 2mm pitch, crafted from high-quality 304 material and supplied in 6-meter lengths, offers exceptional durability and uniform flow control for demanding industrial applications. Backed by our annual export value of US$5–10 million and a global presence across North America, Europe, Asia, and more, we deliver reliable products that meet the rigorous standards of B2B buyers worldwide.
This helically perforated tube is designed to provide consistent, predictable performance in filtration, separation, and fluid distribution systems. The spiral pattern of holes ensures even pressure drop and minimizes clogging, while the 304 stainless steel construction guarantees excellent corrosion resistance and long service life. Each tube is manufactured with precision control over hole diameter (1.5mm) and pitch (2mm), ensuring repeatable results across batches.
Key Product Features & Technical Specifications
- Material: Premium 304 stainless steel – offers excellent resistance to oxidation, chemical attack, and high temperatures (up to 870°C intermittent).
- Hole Geometry: Helically arranged perforations – reduces stress concentration and improves structural integrity compared to linear patterns.
- Hole Diameter: 1.5 mm ± 0.1 mm – ideal for fine filtration and uniform flow distribution.
- Pitch (Center-to-Center Distance): 2 mm – ensures a high open area percentage while maintaining tube strength.
- Length: 6 meters (custom lengths available upon request) – convenient for long-run installations.
- Open Area: Approximately 44% (calculated based on 1.5mm holes at 2mm pitch in a helical pattern) – optimizes throughput without sacrificing structural integrity.
- Perforation Direction: Helical (spiral) – allows for smooth fluid flow and reduces turbulence.
- Surface Finish: Mill finish (fine brushed or pickled finish optional) – ready for welding or further fabrication.
Technical Parameter Table
| Parameter | Value |
|---|---|
| Material Grade | 304 (UNS S30400) |
| Hole Diameter | 1.5 mm |
| Pitch (center-to-center) | 2 mm |
| Perforation Pattern | Helical (spiral) |
| Standard Length | 6 m (custom lengths available) |
| Open Area Ratio | ~44% |
| Wall Thickness | Available in standard gauges (e.g., 1.0–2.0 mm, customizable) |
| Outer Diameter | Various diameters available – please specify your requirement |
Advantages & Customer Benefits
- Enhanced Filtration Efficiency: The precise 1.5mm holes and 2mm pitch provide a high open area (≈44%), allowing maximum flow while retaining particles or media effectively.
- Reduced Clogging: Helical perforation pattern creates a self-cleaning effect as fluid flows, minimizing blockage and extending service intervals.
- Superior Corrosion Resistance: 304 stainless steel withstands moisture, chemicals, and high temperatures, making it suitable for food processing, wastewater treatment, chemical processing, and more.
- Structural Integrity: The spiral arrangement of holes distributes stress evenly, resulting in higher strength compared to straight-line perforations of the same open area.
- Customizable Dimensions: While our standard tube length is 6m, we can supply any length, diameter, and wall thickness to match your specific project requirements.
- Consistent Quality: As a manufacturer with over 25 years of experience, we employ strict quality control measures throughout production, from raw material sourcing to final inspection.
- Cost-Effective Solution: Direct factory pricing eliminates middleman markups, giving you competitive rates without compromising on quality.
Typical Applications
- Water and wastewater filtration systems
- Oil and gas separation equipment
- Chemical processing reactors and distributors
- Food and beverage industry (screens, sieves, conveyors)
- Pharmaceutical and medical device manufacturing
- Mining and mineral processing (slurry screens)
- Architectural and decorative elements (safety barriers, ventilation)
At Anping County Boli Hardware Wiremesh Products Factory, we have been serving global clients since 1998. Our factory is located in Hengshui, Hebei – the “hometown of wire mesh” in China – giving us access to premium raw materials and skilled craftsmanship. With an annual export value of US$5–10 million, we supply to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our shipping ports include Tianjin, Qingdao, Shanghai, and Foshan, ensuring efficient logistics worldwide.
Why choose our helically perforated tube? Because we combine decades of manufacturing expertise, strict quality assurance, and a customer-centric approach. Each tube is produced with precision tooling and inspected for hole accuracy, dimensional tolerance, and surface finish. We are committed to delivering products that perform reliably in your most demanding applications.
Ready to optimize your filtration or separation process? Contact us today for a quote or technical consultation. Our team is ready to support you with customized solutions, competitive pricing, and fast delivery. Trust Boli Hardware – your partner in perforated excellence.
Frequently Asked Questions (FAQ)
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Q: What is the standard outer diameter range for this tube?
A: While we do not have a fixed standard, we can produce tubes in various outer diameters (e.g., 20mm to 200mm) based on your requirements. Please specify your desired OD when ordering, and we will confirm the available options. -
Q: Can the tube be cut to custom lengths shorter than 6m?
A: Yes, we offer custom length cutting services. Whether you need 1m, 3m, or any other length, we can supply according to your specifications. Additional charges for cutting may apply for non-standard lengths. -
Q: Is the 304 stainless steel food-grade?
A: 304 stainless steel is generally considered food-grade and is widely used in food processing equipment. However, final compliance depends on the specific application and local regulations. We recommend confirming with your local authority if required. -
Q: What is the maximum operating temperature for this tube?
A: 304 stainless steel can handle intermittent temperatures up to 870°C and continuous service up to 925°C in oxidizing environments. However, the perforated tube’s structural integrity may be affected at very high temperatures; we recommend consulting our technical team for extreme conditions. -
Q: Do you provide samples before bulk order?
A: Yes, we can provide samples (typically 300mm length) for evaluation. Sample cost and shipping will be arranged. Once the order is placed, the sample fee may be deducted from the total invoice. -
Q: How do you ensure the hole diameter accuracy?
A: Our perforation process uses CNC-controlled punches and dies with regular calibration. Each production batch is inspected using vision measurement systems to guarantee hole diameter tolerance of ±0.1 mm and pitch tolerance of ±0.1 mm. -
Q: Can you produce tubes with different hole patterns, such as staggered or rectangular?
A: Yes, we offer various perforation patterns including straight, staggered, and helical. The helical pattern is our standard for this product, but we can manufacture other patterns depending on your needs. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is typically 100 pieces (6m length). For custom diameters or wall thicknesses, MOQ may vary. Please contact our sales team for specific details.
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