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Help CenterSch40 Carbon Steel Straight Seam Welded Perforated Pipe, 1/2"-12" OD, 3mm Hole, 15% Open Area, for Oil & Gas
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer with over two decades of experience in the wire mesh and perforated metal industry. Our annual export value of US$5-10 million reflects the trust and satisfaction of global clients across North America, South America, Europe, Africa, and beyond. We are proud to introduce our Sch40 Carbon Steel Straight Seam Welded Perforated Pipe, designed specifically for demanding oil and gas applications. This product combines the strength of Schedule 40 carbon steel with precision perforation, offering a reliable solution for filtration, flow control, and structural support in harsh environments.
Our perforated pipes are manufactured using high-quality carbon steel, ensuring excellent durability and resistance to pressure. The straight seam welding process guarantees consistent wall thickness and uniform structural integrity. Each pipe features precisely drilled 3mm holes with a 15% open area, providing an optimal balance between fluid flow and mechanical strength. Available in outer diameters from 1/2 inch to 12 inches, this product can be customized to meet specific project requirements.
Key Features & Technical Specifications
| Parameter | Value |
| Material Grade | ASTM A53, A106 (Carbon Steel) |
| Wall Thickness | Sch40 (per ANSI B36.10) |
| Outer Diameter | 1/2" - 12" (customizable) |
| Hole Diameter | 3 mm (0.118") |
| Open Area | 15% (standard, customizable) |
| Welding Method | Straight seam (ERW) high-frequency welding |
| Surface Treatment | Black, galvanized, or as per request |
Product Advantages & Customer Benefits:
- Superior Strength: Sch40 wall thickness provides excellent pressure-bearing capacity, ideal for downhole applications, well screens, and pipeline systems.
- Precision Perforation: Consistent 3mm holes with smooth edges minimize clogging and ensure uniform fluid distribution.
- Corrosion Resistance: Carbon steel can be galvanized or coated for enhanced protection in corrosive environments.
- Versatile Applications: Suitable for oil and gas filtration, sand control, water injection, gas venting, and structural support in wells.
- Customizable Dimensions: Length, hole pattern, open area, and end connections available upon request.
- Cost-Effective: Straight seam welding is efficient and economical, reducing production costs without compromising quality.
Why Choose Our Perforated Pipes?
With a dedicated factory in Hengshui, Hebei, China, we have served clients in over 20 countries and regions, including North America, Europe, and the Middle East. Our production lines are equipped with advanced CNC punching machines and automatic welding equipment, ensuring high precision and consistency. Every pipe undergoes strict quality control checks, including dimensional inspection, hole alignment verification, and pressure testing. We are committed to delivering products that meet the rigorous demands of the oil and gas industry.
Our team of experienced engineers provides technical support to help you select the optimal perforation pattern, open area, and surface treatment for your specific project. Whether you need standard pipe sizes or custom lengths, we can accommodate your requirements with lead times as short as 15-20 working days. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring efficient logistics worldwide.
Frequently Asked Questions (FAQ)
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Q: What is the maximum pressure rating for this Sch40 perforated pipe?
A: The pressure rating depends on the pipe size, material grade, and operating temperature. Typically, Sch40 carbon steel pipe has a working pressure range of 300-700 psi for standard sizes. Please consult our engineering team for exact calculations based on your application. -
Q: Can the hole pattern be customized, such as staggered or rectangular arrangement?
A: Yes, we offer flexible hole patterns. Standard is staggered (60° or 45°), but we can also provide square, round, or slot patterns upon request. The open area and hole size can be adjusted accordingly. -
Q: Are these pipes suitable for sour gas (H2S) environments?
A: Standard carbon steel may not be ideal for sour service. We recommend using a corrosion-resistant coating or upgrading to NACE-compliant materials. Please advise your specific requirements, and we can suggest suitable options. -
Q: What is the standard length for these perforated pipes?
A: Standard lengths are 20 ft (6.1 m) or 40 ft (12.2 m). Custom lengths from 1 m to 12 m are available subject to order quantity. -
Q: How do you ensure the hole alignment and uniformity?
A: Our CNC punching machines are programmed with precise coordinates, and a laser alignment system is used during production. Each pipe is inspected with a go/no-go gauge to verify hole diameter and spacing tolerance. -
Q: Do you provide samples before bulk order?
A: Yes, we can provide sample pieces (typically 1 ft length) for evaluation. The sample cost is reasonable, and we offer free samples for qualified clients. Shipping cost is borne by the buyer for initial samples. -
Q: What surface treatments are available for corrosion protection?
A: We offer black (mill finish), hot-dip galvanized, electro-galvanized, and epoxy coating. For oil and gas applications, hot-dip galvanized or fusion-bonded epoxy (FBE) are common choices. -
Q: How does the 15% open area affect the pipe's structural strength?
A: The 15% open area is carefully designed to maintain sufficient load-bearing capacity while providing adequate fluid flow. The Sch40 wall thickness compensates for the material removed by perforation, ensuring the pipe still meets standard pressure ratings. For extreme conditions, a lower open area can be customized.
Trusted by global clients, backed by a 25+ year manufacturing heritage. From small-scale prototypes to large-volume orders, Anping Boli is your reliable partner for high-quality perforated pipes. Contact our sales team today for a quotation or technical consultation. We are ready to support your oil and gas projects with precision-engineered products that deliver performance and durability.
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