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Hemaokang Steel (Shandong) Co., Ltd., established in 2025 with an annual export value exceeding US$50 million, proudly presents our DN80 SCH80 Carbon Steel Seamless Pipe in 12-meter lengths. Manufactured in our ISO 9001-compliant facility in Liaocheng, Shandong, this pipe is engineered to meet the rigorous demands of global industries, from oil and gas to construction. Our expertise in seamless pipe production ensures consistent quality, dimensional accuracy, and reliable performance for your critical applications.
The DN80 (3-inch) nominal diameter combined with Schedule 80 wall thickness delivers exceptional pressure-bearing capacity and structural integrity. Each 12-meter length maximizes project efficiency by reducing the number of joints required, lowering installation costs and minimizing potential leak points. Whether you need plain ends or beveled ends for welding, our pipes are available in customizable options to suit your specific requirements.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Diameter (DN) | 80 mm (3 inch) |
| Wall Thickness (SCH80) | 8.56 mm (approx.) |
| Length | 12 meters (custom lengths available upon request) |
| Material Grade | Carbon Steel (e.g., ASTM A106 Gr.B / API 5L Gr.B – please confirm with sales) |
| End Finish | Plain End, Beveled End, or Threaded (optional) |
| Surface Treatment | Black painting, varnish, or anti-corrosion coating (customizable) |
Product Features & Benefits
- Superior Strength: SCH80 wall thickness provides high pressure resistance, making it suitable for high-stress environments like oil refineries and chemical plants.
- Seamless Construction: No welded seams eliminate weak points, ensuring uniform strength and reducing the risk of failure under cyclic loading or extreme temperatures.
- Longer Lengths Reduce Costs: 12-meter standard length minimizes the number of welds and fittings required, lowering installation time and material waste.
- ISO 9001 Quality Assurance: Our manufacturing process follows strict quality control procedures, with each pipe undergoing hydrostatic testing, dimensional inspection, and surface examination.
- Versatile Applications: Ideal for transporting oil, gas, water, steam, and other fluids in industrial piping systems, as well as structural applications in construction and infrastructure.
- Customizable Options: We offer various end preparations, surface coatings, and additional certifications (e.g., NACE MR0175) upon request to meet your project's unique demands.
Our DN80 SCH80 Carbon Steel Seamless Pipe is manufactured from high-quality carbon steel billets, ensuring excellent weldability and machinability. The pipe's dimensional tolerances conform to international standards, providing consistent fit-up with flanges, valves, and fittings. With an annual export value between US$50-100 million, Hemaokang Steel has established a robust supply chain serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our team of 51-100 experienced professionals ensures prompt delivery, competitive pricing, and dedicated after-sales support.
Trust Hemaokang Steel for your next project. We have successfully supplied thousands of tons of seamless pipes to clients worldwide, earning a reputation for reliability and product excellence. Our Liaocheng factory operates with advanced cold-drawing and hot-rolling equipment, capable of producing pipes with exceptional surface finish and mechanical properties. We invite you to experience the difference that ISO 9001-compliant manufacturing and customer-centric service can make.
Frequently Asked Questions
Q1: What material grades are available for this pipe?
A: We primarily supply carbon steel grades such as ASTM A106 Gr.B, API 5L Gr.B, and ASTM A53 Gr.B. Please contact our sales team to confirm the specific grade required for your application.
Q2: Do you offer third-party inspection services?
A: Yes, we can arrange third-party inspection by SGS, BV, or other accredited agencies at the buyer's request. Additional charges may apply.
Q3: What is the typical lead time for 12-meter lengths?
A: For standard sizes and quantities, lead time is typically 15–30 days after order confirmation. For large or customized orders, please discuss with our sales representative.
Q4: Can the pipe be supplied with a threaded end?
A: Yes, we can provide threaded ends (NPT or BSPT) as an optional finishing. Please specify your requirement when placing the order.
Q5: Is the pipe suitable for sour service (H2S environment)?
A: Standard carbon steel pipes may not be suitable for sour service. We can supply NACE MR0175-compliant materials upon request. Please advise your specific environmental conditions.
Q6: What surface treatment options are available?
A: Common options include black painting, varnish coating, hot-dip galvanizing, and 3LPE/3LPP coating. The choice depends on the application environment and customer preference.
Q7: How do you ensure the pipes are free from defects?
A: Every pipe undergoes hydrostatic testing, ultrasonic testing (if required), and visual inspection as part of our ISO 9001 quality control system. We also provide mill test certificates (MTC) with each shipment.
Q8: Can you provide custom lengths shorter than 12 meters?
A: Yes, we can cut the pipes to any specified length (e.g., 6m, 8m) with a minimum charge. Precision cutting ensures clean edges and minimal waste.
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