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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our Straight Seam Welded Perforated Pipe with 3mm Holes, 2m Length, Pickling Passivation Surface. This product is engineered for demanding applications where precision filtration, ventilation, or structural support is required. Our factory, established in 1998, has exported to over 15 markets worldwide with an annual export value of US$5-10 million, ensuring reliable quality and timely delivery. The pipe features a straight seam weld that provides excellent strength and uniformity, combined with a pickling passivation surface that enhances corrosion resistance and gives a clean, attractive finish. Whether you need it for liquid filtration, gas distribution, or mechanical guarding, this perforated pipe delivers consistent performance.
The 3mm diameter holes are precisely punched to ensure uniform flow and particle retention. The 2-meter length is standard, but we offer customization to meet your specific project requirements. The pipe is available in various materials, including stainless steel (304, 316L) and carbon steel, with optional finishes such as galvanized or powder-coated. Below is a summary of the key specifications:
| Parameter | Value |
| Material | Stainless Steel (304/316L) / Carbon Steel |
| Hole Diameter | 3 mm |
| Hole Pattern | Staggered / Straight (Customizable) |
| Length | 2 m (Other lengths available upon request) |
| Surface Treatment | Pickling Passivation |
| Weld Type | Straight Seam (Longitudinal) |
| Outer Diameter & Wall Thickness | Customizable (e.g., 25mm OD x 1.5mm WT) |
Key Features & Benefits:
- Precision Perforation: The 3mm holes are made with advanced CNC punching machinery, ensuring consistent size and spacing. This guarantees uniform flow rates and precise filtration, reducing the risk of clogging or uneven distribution.
- Straight Seam Welding: Unlike spiral welded pipes, the straight seam (longitudinal) weld provides a smooth interior surface and superior structural integrity. It minimizes turbulence in fluid applications and is easier to inspect for quality.
- Pickling Passivation Surface: This chemical treatment removes oxides, scale, and impurities from the metal surface, then forms a passive oxide layer that significantly improves corrosion resistance. It also gives the pipe a clean, matte appearance that is easy to clean and maintain.
- Versatile Applications: Ideal for use in water treatment, chemical processing, food and beverage, oil and gas, automotive exhaust systems, ventilation ducts, and architectural railings. The perforated design allows for effective sound attenuation, light diffusion, and airflow control.
- Customizable Dimensions: While the standard length is 2m, we can produce pipes in lengths from 0.5m to 6m, with outer diameters from 10mm to 200mm and wall thicknesses from 0.5mm to 5mm. Hole patterns can be staggered or straight, with pitch adjustable to your needs.
- Durable Packaging: Each pipe is individually wrapped with protective plastic sleeves and then packed in sturdy wooden crates or pallets to prevent damage during transit. We ship from multiple ports including Tianjin, Qingdao, and Shanghai.
Why Choose Our Factory?
With more than 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has become a trusted partner for clients in North America, Europe, Southeast Asia, Africa, and Oceania. Our annual export value of US$5-10 million reflects our commitment to quality and customer satisfaction. We use only high-grade raw materials and employ strict quality control procedures at every stage—from raw material inspection to final packaging. Our team of skilled engineers can assist with custom designs and provide technical support. We also offer free samples for evaluation. By choosing our straight seam welded perforated pipe, you are investing in a product that delivers long-lasting performance and value.
Frequently Asked Questions (FAQ):
We offer stainless steel (grades 304, 316L) and carbon steel. For special applications, we can also provide galvanized steel or aluminum. Please contact us with your specific requirements.
Q2: Can I get a custom length other than 2 meters?Yes, we can produce pipes in any length from 0.5m to 6m. Custom lengths are available upon request and may require a minimum order quantity.
Q3: What is the typical lead time for this product?For standard sizes, lead time is 10-15 working days after order confirmation. Custom orders typically take 20-25 working days. We offer express shipping options for urgent needs.
Q4: How do you ensure the hole diameter precision?Our punching machines are calibrated regularly, and we perform random sampling inspections during production. The tolerance for hole diameter is ±0.1mm, and for hole pitch ±0.5mm.
Q5: Is the pickling passivation surface suitable for food contact?Yes, stainless steel pipes with pickling passivation are commonly used in food and beverage processing. The surface is non-toxic, easy to clean, and resistant to bacterial growth. However, for specific food safety certifications, please consult with our sales team.
Q6: Do you provide samples before bulk order?Yes, we offer free samples for evaluation. The customer only needs to pay for shipping costs. Samples can be provided within 5-7 days.
Q7: What is the minimum order quantity (MOQ)?For standard sizes, MOQ is 100 pieces. For custom sizes, MOQ may be higher depending on the complexity. We are flexible and can discuss based on your project.
Q8: How are the pipes packed for export?Each pipe is wrapped with a protective film, then bundled together with steel straps and packed in wooden crates or pallets. We also provide custom packaging options such as plastic caps or foam inserts to prevent damage.
Contact us today to discuss your perforated pipe needs. With our extensive experience, global shipping network, and commitment to quality, we are your reliable partner for industrial perforated solutions. Let us provide you with a competitive quote and technical support.
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