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Help Center304 Stainless Steel Helically Perforated Tube, 1.0mm Thick, 30mm ID, 3m Length, Mill Test Report
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Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, proudly presents our premium 304 Stainless Steel Helically Perforated Tube. With a 1.0mm wall thickness, 30mm inner diameter, and 3m length, this product is engineered for precision filtration, liquid distribution, and structural applications. Each tube is supplied with a Mill Test Report to guarantee material traceability and quality. Our decades of experience in wire mesh and perforated metal fabrication ensure reliable performance for demanding industrial environments.
This helically perforated tube offers consistent slot geometry and uniform flow characteristics, making it ideal for industries such as oil & gas, water treatment, food processing, and chemical filtration. The 304 stainless steel construction provides excellent corrosion resistance and durability, while the helical perforation pattern enhances strength and prevents clogging. Below are detailed specifications and benefits.
Key Features & Technical Specifications
- Material: 304 Stainless Steel (ASTM A240) – excellent corrosion resistance in aqueous environments.
- Wall Thickness: 1.0mm (±0.05mm) – provides structural rigidity without excessive weight.
- Inner Diameter: 30mm – suitable for high-flow-rate applications.
- Length: 3m (custom lengths available upon request).
- Perforation Type: Helical (continuous spiral slots) – reduces pressure drop and minimizes blockage.
- Slot Width: 0.5mm (standard, customizable from 0.3mm to 2.0mm).
- Open Area: Approximately 15%–25% (depending on slot width and pitch).
- End Finish: Plain cut ends (can be beveled or threaded as optional).
- Mill Test Report: Included with each shipment – certifies chemical composition and mechanical properties.
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel |
| Wall Thickness | 1.0mm |
| Inner Diameter | 30mm |
| Length | 3m |
| Perforation Pattern | Helical (spiral) |
| Slot Width | 0.5mm (standard) |
| Open Area | ~20% |
Advantages & Customer Benefits
- Superior Flow Distribution: The helical perforation design ensures even fluid distribution across the tube length, reducing channeling and improving filtration efficiency.
- High Strength-to-Weight Ratio: 1.0mm wall thickness provides robust durability while maintaining reasonable weight for handling and installation.
- Corrosion Resistance: 304 stainless steel withstands organic acids, oxidizing agents, and many chemical environments, extending service life.
- Clog-Resistant: Continuous slots minimize particle entrapment compared to round holes, ideal for viscous or fibrous media.
- Customizable: Slot width, length, and end finishing can be tailored to your specific application – contact us for options.
- Quality Assurance: Every tube is supplied with a Mill Test Report, providing full traceability of material composition and mechanical properties.
Our 304 Stainless Steel Helically Perforated Tube is widely used in water filtration systems, oil well screens, food processing equipment, and chemical reactors. The 30mm ID is particularly suitable for medium-flow applications where a balance between throughput and strength is required. The 3-meter length reduces the need for joints in long runs, lowering installation costs.
Trusted Manufacturing Partner
As a factory established in 1998, Anping County Boli Hardware Wiremesh Products Factory has built a strong reputation in the global market. Our annual export value exceeds US$5 million, with shipments to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We ship from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. Our manufacturing capabilities include advanced perforating and tube forming equipment, allowing us to maintain tight tolerances and consistent quality.
We take pride in our rigorous quality control processes. Each batch of tubes undergoes dimensional inspection, visual inspection, and material verification. The included Mill Test Report is based on actual chemical analysis and tensile testing, giving you confidence in the product's performance. Our team of experienced engineers is ready to assist with custom designs or technical questions.
Frequently Asked Questions (FAQ)
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Q: What is the maximum working temperature for this tube?
A: 304 stainless steel can typically operate up to 870°C (1600°F) in continuous service, but the actual limit depends on the application environment. For high-temperature uses, please consult our technical team. -
Q: Can I order a different length or inner diameter?
A: Yes, we offer customization. Minimum order quantity may apply. Please contact us with your requirements. -
Q: Is the tube suitable for potable water?
A: 304 stainless steel is generally considered safe for drinking water applications. However, local regulations should be checked. We can provide additional surface treatment if required. -
Q: How is the helically perforated tube different from a slotted tube?
A: Helical perforation creates a continuous spiral slot, which offers better flow characteristics and less pressure drop compared to discrete slots. It also provides uniform strength along the tube. -
Q: What is the lead time for standard tubes?
A: For standard 3m lengths, typical lead time is 15–20 working days after order confirmation. For custom sizes, it may be longer. -
Q: Do you provide samples before mass production?
A: Yes, we can provide samples (cost and shipping may apply). Please contact our sales team for sample requests. -
Q: Is the Mill Test Report included for every tube?
A: Yes, each tube is accompanied by a Mill Test Report that certifies the chemical composition and mechanical properties of the 304 stainless steel material. -
Q: What packaging is used for export?
A: Tubes are packed in bundles with protective wrapping, or in wooden crates for larger quantities, to prevent damage during transit.
Contact us today to discuss your specific requirements or to request a quotation. Our experienced team at Anping County Boli Hardware Wiremesh Products Factory is ready to provide high-quality perforated tubes that meet your exacting standards. With our global shipping network and decades of expertise, we are your reliable partner for stainless steel perforated solutions.
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