Hot Expanded
Seamless Steel Pipe – Premium Carbon Steel Tubing for Industrial and Infrastructure Projects Worldwide Experience unmatched performance with our hot expanded seamless
Steel Pipe, a cutting-edge carbon steel solution engineered for global industrial demands. Unlike conventional welded or cold-rolled alternatives, this advanced manufacturing method uses precise thermal expansion techniques to enhance dimensional accuracy, mechanical strength, and material efficiency—delivering a robust, non-standardizable product that meets the most rigorous engineering standards across diverse sectors. This high-quality tubing begins as a solid billet, which is first pierced using rotary or pressure-based methods to form a hollow blank. The subsequent heating and controlled expansion process uniformly increases outer diameter while reducing wall thickness—ensuring consistent metallurgical properties throughout the entire length. This innovative approach not only minimizes scrap waste but also enables rapid prototyping of custom sizes, making it an ideal choice for projects where standard pipe dimensions fall short. Key Features: - Inner Diameter Range: 6" to 36" (DN15–DN1200), offering flexibility for both small-scale installations and large infrastructure networks - Wall Thickness: 4mm to 40mm, adaptable to varying pressure and load requirements - Global Compliance: Meets ASTM A106, API 5L, EN 10216, DIN 2448, GB/T 8163, and BS 1387 standards for international project compatibility - Length Options: 2 to 12 meters, customizable to suit site-specific logistics and installation needs - Surface Finishes: Black paint, anti-rust oil, hot-dip galvanizing, cold galvanizing, and 3PE coating—each tailored for corrosion resistance in marine, arid, humid, or chemical environments - High Production Capacity: Up to 30,000 metric tons monthly ensures reliable supply chain support for major contracts Manufactured through a thermally enhanced rolling technique, these seamless pipes offer superior structural integrity compared to traditional fabrication methods. The uniform wall thickness and smooth internal surface reduce friction losses in fluid transport systems, improving operational efficiency. Engineers particularly value the reduced need for post-processing such as welding or machining—saving time and cost during construction phases. Additionally, the ability to produce non-standard diameters without compromising quality makes this product indispensable for specialized applications like offshore platforms, refineries, power plants, and urban utility networks. Ideal Use Cases: - Oil and gas transmission pipelines under medium pressure (API 5L Grade B/X42/X52) - Steam distribution systems in industrial facilities and district heating plants - Structural supports in bridges, stadiums, and high-rise buildings - Coal gas and water conveyance lines in municipal infrastructure - Low-to-medium-pressure piping in petrochemical and manufacturing units User Feedback Highlights: Clients consistently praise the precision in wall consistency, minimal internal roughness, and excellent adhesion of protective coatings. Many engineers note how the thermal expansion process eliminates common defects found in welded seams, resulting in fewer leak risks and longer service life. The option to tailor dimensions on demand has been especially beneficial for retrofitting existing systems or designing modular components for prefabricated structures. With delivery times averaging 20 days after deposit confirmation, procurement teams appreciate the balance between customization and turnaround speed. Common Questions Answered: Is this pipe suitable for high-pressure applications? Yes—it complies with API 5L and ASTM A106 specifications for medium-pressure environments when paired with appropriate wall thickness and grade selection. Can I request non-standard dimensions? Absolutely. The thermal expansion technology allows for bespoke sizing beyond typical stock offerings, addressing unique engineering challenges in complex projects. How long does delivery take? Typically within 20 days following receipt of deposit or irrevocable letter of credit, ensuring timely project execution. What finishes are available? From basic black paint to triple-layer polyethylene (3PE) coating, options are available to protect against environmental exposure in coastal, desert, or industrial settings. Whether you're specifying materials for a new pipeline network, upgrading an aging infrastructure system, or building a resilient framework for energy transmission, our hot expanded seamless steel pipe delivers reliability, compliance, and adaptability—all backed by proven global standards and a commitment to innovation.
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