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Help CenterMill Test Report Included Straight Seam Welded Perforated Pipe, 304 Stainless, 2mm Wall, Custom Hole Pattern
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As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in producing high-quality straight seam welded perforated pipes made from 304 stainless steel with a precise 2mm wall thickness. Our pipes come with a Mill Test Report for full material traceability, and we offer custom hole patterns to meet your exact specifications. With an annual export value of US$5–10 million and a global reach spanning North America, Europe, Southeast Asia, and beyond, we are your trusted partner for durable, corrosion-resistant perforated piping solutions.
Our straight seam welded perforated pipe is manufactured using advanced welding techniques that ensure consistent straightness, strong weld integrity, and smooth inner surfaces. The 304 stainless steel grade provides excellent resistance to rust, oxidation, and chemical exposure, making it ideal for demanding environments. Each pipe is accompanied by a Mill Test Report certifying the material composition and mechanical properties, giving you peace of mind for critical applications.
Key Features & Technical Specifications
- Material: 304 Stainless Steel (ASTM A240 / A276 compliant)
- Wall Thickness: 2mm (±0.1mm tolerance)
- Welding Process: Straight seam GTAW/TIG welding, no filler wire needed
- Hole Pattern: Round, square, slotted, or custom shapes – designed per your drawing
- Pipe Diameter: Available from 1/2 inch (DN15) up to 12 inches (DN300) – customizable
- Length: Standard 6m, or cut to your required length (max 12m)
- Surface Finish: Mill finish, pickled, or passivated (optional)
- Mill Test Report: Included with every shipment, per EN 10204 Type 3.1
| Parameter | Value | Notes |
| Material Grade | 304 Stainless Steel | UNS S30400, EN 1.4301 |
| Wall Thickness | 2 mm | Tolerance ±0.1mm |
| Hole Diameter | Custom (e.g., 3mm, 5mm, 8mm) | Open area ratio upon request |
| Max Working Pressure | Depends on diameter & hole pattern | Consult our engineers |
| Packaging | Wooden crates / bundles | Export-worthy, seaworthy |
Benefits for Your Applications
- Enhanced Durability: 304 stainless steel resists corrosion, rust, and high temperatures, ensuring long service life even in harsh environments.
- Precision Perforation: Our custom hole patterns are laser-cut or punched with CNC accuracy, delivering consistent hole spacing and burr-free edges.
- Versatile Use: Ideal for filtration systems, soundproofing, ventilation, architectural facades, safety guards, agricultural machinery, and more.
- Easy Integration: Straight seam design allows for simple welding, threading, or coupling with standard fittings.
- Full Traceability: Each pipe is marked with heat number and material grade; Mill Test Report provides chemical and mechanical data.
Our factory in Hengshui, Hebei, China, has been producing perforated metal products for over 25 years. We leverage advanced equipment and skilled craftsmanship to deliver consistent quality. With an annual export value of US$5–10 million, we ship to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and East Asia. Our main ports of shipment include Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and reliable logistics.
We are committed to your satisfaction: samples are available for evaluation, and our engineering team can assist with custom hole pattern design. Orders are backed by rigorous quality control, including visual, dimensional, and pressure testing (if applicable). Choose our Mill Test Report Included Straight Seam Welded Perforated Pipe for reliable performance and professional support. Contact us today for a quote or to discuss your project requirements!
Frequently Asked Questions (FAQ)
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What is the minimum order quantity (MOQ) for custom hole pattern pipes?
Our MOQ for perforated pipes is typically 100 meters, but we can accommodate smaller trial orders for sample evaluation. Please contact our sales team for details. -
Can you provide a Mill Test Report for each batch?
Yes, a Mill Test Report (according to EN 10204 Type 3.1) is included with every shipment, certifying the 304 stainless steel composition and mechanical properties. -
What is the lead time for custom orders?
Lead time depends on the quantity and complexity of the hole pattern. Typically, it ranges from 15 to 30 working days after confirmation of the design and deposit. -
Do you offer other stainless steel grades like 316 or 316L?
Yes, we can produce the same pipe in 316L, 304L, or other grades upon request. Please specify your requirements. -
How do you ensure the holes are free of burrs?
We use punching and deburring processes that result in smooth, burr-free holes. For critical applications, we can also offer secondary finishing like electropolishing. -
Can the pipe be supplied with threaded ends or flanges?
Yes, we can add threading, flanges, or other end connections based on your drawing. This is a customizable option. -
What is the maximum pipe length you can produce?
Standard maximum length is 12 meters, but longer lengths may be possible with special handling. Contact us for feasibility. -
Do you provide free samples?
Sample pipes (short lengths) are available for a nominal fee plus shipping. The cost is deductible from bulk orders.
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