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Help CenterSpiral Punched Tube 316L Stainless Steel, 0.5mm-1.5mm Thickness, 100mm OD, Chemical Resistant
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Spiral Punched Tube 316L Stainless Steel — a high-performance solution for demanding chemical environments. With an annual export value exceeding US$5 million and serving markets across North America, Europe, Asia, and Oceania, we combine decades of metalworking expertise with precision engineering to deliver tubes that offer exceptional corrosion resistance and mechanical strength. This product is specifically designed for applications where chemical resistance and uniform flow distribution are critical.
Our spiral punched tube is manufactured from 316L stainless steel, a low-carbon austenitic grade that provides superior resistance to chloride stress corrosion cracking and pitting in acidic or alkaline environments. The 0.5mm to 1.5mm thickness range offers flexibility for different pressure and durability requirements, while the 100mm outer diameter ensures compatibility with standard industrial piping systems. The spiral punched design creates a continuous helical slot pattern, which not only enhances filtration efficiency but also minimizes clogging and backpressure in fluid handling systems.
Key Features & Technical Specifications
| Parameter | Value |
| Material | 316L Stainless Steel (UNS S31603) |
| Outer Diameter | 100 mm (other sizes available upon request) |
| Wall Thickness | 0.5 mm, 1.0 mm, 1.5 mm (customizable) |
| Slot Pattern | Spiral punched (helical), continuous or intermittent |
| Slot Width | 0.2 mm – 2.0 mm (as per application) |
| Length | Up to 6000 mm (customizable per section) |
| Surface Finish | Pickled & passivated, or as required |
| End Connection | Plain, beveled, or flanged (optional) |
Product Advantages & Customer Benefits
- Superior Chemical Resistance: 316L stainless steel withstands acids, alkalis, chlorides, and organic solvents, making it ideal for chemical reactors, heat exchangers, and filtration systems.
- Enhanced Flow Dynamics: The spiral punched design creates a smooth, continuous slot that reduces turbulence and pressure drop, improving flow rate and filtration accuracy.
- High Mechanical Strength: Even at 0.5mm thickness, the tube maintains structural integrity under moderate pressure; thicker walls (1.5mm) support high-pressure applications up to 10 bar (depending on slot geometry).
- Customizable Dimensions: We offer flexible OD, thickness, length, and slot width to match your system requirements — contact us for non-standard sizes.
- Easy Installation & Maintenance: The tube can be welded, threaded, or flanged; its smooth internal surface minimizes fouling and simplifies cleaning.
- Long Service Life: 316L’s low carbon content prevents sensitization during welding, reducing the risk of intergranular corrosion in high-temperature environments.
Typical Applications
- Chemical Processing: Inline filters, catalyst support screens, distributor tubes.
- Oil & Gas: Sand control screens, downhole filtration, pipeline strainers.
- Water Treatment: Reverse osmosis pre-filtration, wastewater aeration diffusers.
- Pharmaceutical & Food: Sanitary filtration, CIP (clean-in-place) systems.
- Marine & Offshore: Desalination units, brine treatment, seawater intake screens.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience, we have developed a robust production system that ensures consistent quality and timely delivery. Our factory is located in Hengshui, Hebei, a major wire mesh industrial hub, giving us access to premium raw materials and skilled labor. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, and our annual export volume of US$5–10 million reflects the trust placed by clients worldwide. We understand that chemical resistance and dimensional accuracy are non-negotiable — that’s why every tube undergoes strict inspection for slot width, wall thickness, and surface finish before packing.
We are committed to being your reliable partner in stainless steel filtration solutions. Whether you need a standard 100mm OD spiral punched tube or a custom configuration, our team is ready to provide competitive pricing, technical support, and fast quotes. Contact us today to discuss your project requirements and experience the Boli difference.
FAQ — Frequently Asked Questions
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What is the maximum operating temperature for this tube?
316L stainless steel can typically handle temperatures up to 800°C (1472°F) in continuous service, but the actual limit depends on the slot geometry and environment. For high-temperature applications, please consult our engineers. -
Can the tube be welded to other components?
Yes, 316L is weldable using standard TIG or MIG methods. The low carbon content minimizes carbide precipitation, maintaining corrosion resistance in the heat-affected zone. -
What is the minimum slot width available?
We can produce slots as narrow as 0.2 mm for fine filtration. For very fine particles, we recommend a slot width of 0.3–0.5 mm to balance flow and filtration efficiency. -
Do you offer custom lengths or diameters?
Absolutely. We can manufacture tubes with ODs from 25 mm to 500 mm and lengths up to 6 meters per piece. Custom sizes are available with a short lead time. -
How is the tube packaged for export?
Each tube is individually wrapped in protective film, packed in wooden crates or steel pallets, and secured with straps to prevent movement. All packaging is seaworthy and suitable for long-distance shipping. -
Is the tube suitable for acidic environments like sulfuric acid?
316L performs well in dilute sulfuric acid at room temperature, but for concentrated or hot acid, we recommend evaluating the specific conditions. For extreme chemical resistance, we can also supply duplex or super austenitic stainless steels. -
What is the typical lead time?
For standard sizes (100mm OD, 1.0mm thickness), lead time is approximately 15–20 working days. Custom orders may require 25–30 days depending on quantity and complexity. -
Can you provide a material test certificate?
Yes, we provide mill test certificates (MTC) per EN 10204 3.1 for each batch, ensuring traceability of chemical composition and mechanical properties.
* All specifications are subject to change without notice. For detailed technical drawings and custom quotes, please contact our sales team.
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