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Help Center304 Stainless Steel Longitudinal Seam Welded Perforated Tube, 0.5mm-2mm Hole Diameter, 1m-6m Length
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As a manufacturer with over 25 years of experience in wire mesh and perforated metal products, Anping County Boli Hardware Wiremesh Products Factory proudly presents our 304 Stainless Steel Longitudinal Seam Welded Perforated Tube. Designed for precision filtration, fluid distribution, and mechanical protection, this tube combines the durability of 304 stainless steel with the versatility of customizable hole patterns. Our factory, established in 1998, has exported to over 15 global markets, ensuring consistent quality and reliable supply.
This perforated tube is manufactured using advanced longitudinal seam welding technology, which provides a smooth, uniform weld line and excellent structural integrity. The holes are precisely punched or drilled to diameters ranging from 0.5mm to 2mm, allowing for fine control over flow rates and particle retention. Available in lengths from 1 meter to 6 meters, it can be easily cut, threaded, or flanged to meet your specific installation requirements.
Key Features & Technical Specifications
- Material: 304 stainless steel (1.4301) – excellent corrosion resistance, suitable for food processing, chemical, and marine environments.
- Hole Diameter Range: 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm – other sizes available upon request.
- Length Options: 1m, 2m, 3m, 4m, 5m, 6m – custom lengths up to 6m.
- Outer Diameter (OD): Customizable from 10mm to 200mm, with wall thickness from 0.5mm to 3mm.
- Welding Process: Longitudinal seam welding (TIG or plasma) ensures strong, leak-proof joints.
- Surface Finish: Pickled and passivated, polished to 400 grit, or as per your requirement.
- Open Area Percentage: Typically 15% – 40%, adjustable based on hole pattern and spacing.
Specification Table (Typical Parameters)
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Material Grade | 304 (1.4301) | 304L, 316, 316L |
| Hole Diameter | 0.5mm – 2mm | 0.3mm – 10mm |
| Outer Diameter | 10mm – 200mm | Up to 300mm |
| Wall Thickness | 0.5mm – 3mm | 0.3mm – 6mm |
| Length | 1m – 6m | Up to 8m (subject to logistics) |
| Hole Pattern | Staggered (60°) | Straight, custom pattern |
| Surface Finish | Pickled & Passivated | Polished, Electropolished |
Key Advantages for Your Application
- Enhanced Flow Control: Precise hole diameters ensure consistent fluid distribution or particle filtering, ideal for water treatment, oil refining, and chemical processing.
- High Mechanical Strength: Longitudinal seam welding provides a stronger bond compared to spiral welding, withstanding high pressure and vibration.
- Corrosion & Heat Resistance: 304 stainless steel resists oxidation up to 870°C intermittently, and withstands many acidic and alkaline environments.
- Customizable to Your Needs: From hole diameter to overall dimensions, we offer full customization to match your existing equipment or design specifications.
- Cost-Effective Production: As a direct manufacturer, we eliminate middlemen, offering competitive pricing without compromising quality.
Our factory, Anping County Boli Hardware Wiremesh Products Factory, has been a trusted name in the industry since 1998. With an annual export value of US$5 million to US$10 million, we ship from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan. Our products are used in North America, South America, Europe, Africa, Southeast Asia, and Oceania, serving diverse sectors such as food & beverage, pharmaceuticals, mining, and construction.
We understand that every project has unique requirements. That’s why we offer free technical consultation, sample testing, and flexible order quantities. Our quality control team inspects each tube for dimensional accuracy, weld integrity, and surface finish before packing. Whether you need a small prototype batch or a full container load, we are ready to deliver.
Frequently Asked Questions (FAQ)
Q1: What is the minimum order quantity (MOQ)?
A: Our MOQ for standard sizes is 100 pieces. For custom dimensions or special hole patterns, MOQ may be 500 pieces, but we can discuss based on your project.
Q2: Can you provide samples before bulk order?
A: Yes, we offer sample tubes (typically 200mm length) at a nominal cost. The sample fee is refundable with your first order. Shipping is at your expense.
Q3: What is the typical lead time?
A: For standard sizes, production takes 7–15 working days. Custom orders require 15–25 working days, depending on the complexity.
Q4: Do you offer different hole shapes (round, square, slot)?
A: Our standard process is for round holes. Square and slot-shaped holes are available on request with additional tooling cost.
Q5: Can the tubes be threaded or flanged at the ends?
A: Yes, we can provide end threading, flanging, or beveling for easy connection. Please specify your requirements.
Q6: What packaging do you use for export?
A: Tubes are individually wrapped with protective film, then bundled in wooden crates or pallets for safe sea freight. We can also use cartons for small orders.
Q7: Is the material food-grade 304 stainless steel?
A: Yes, our 304 stainless steel meets the standard requirements for food contact applications (e.g., FDA, EU regulations). We can provide material certificates upon request.
Q8: How do I place an order for a custom dimension?
A: Simply send us your drawing or detailed specification (OD, ID, hole diameter, pattern, length, quantity). Our sales team will provide a quotation within 24 hours.
Contact us today to discuss your project requirements. With our factory-direct pricing, 25+ years of expertise, and global shipping network, we are your reliable partner for perforated tube solutions.
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