Hot Rolled Seamless High Temperature Tube

For industrial applications demanding exceptional performance under extreme thermal stress, our hot rolled seamless high temperature tubes represent the pinnacle of engineering and material science. These tubes are specifically designed to maintain structural integrity, resist oxidation, and prevent creep deformation in sustained high-heat environments, making them indispensable for sectors like power generation, petrochemical processing, and high-temperature furnace construction. The core advantage lies in the hot rolling manufacturing process, which enhances the steel's grain structure, resulting in superior mechanical properties and uniformity compared to cold-formed alternatives. We offer a comprehensive range tailored for thermal management, including our premium Heat Resistant Hot Rolled Seamless Steel Tube, engineered for prolonged service in aggressive atmospheres. Our High Temp Seamless Hot Rolled Steel Pipe is optimized for efficient heat transfer and pressure containment. For applications requiring maximum thermal fatigue resistance, our Thermal Resistant Hot Rolled Seamless Tube provides outstanding stability. Furthermore, our High Temperature Seamless Hot Rolled Pipe is the go-to solution for critical high-pressure, high-temperature piping systems, ensuring reliability and long service life where failure is not an option.


The manufacturing excellence of our <产品名字> begins with the selection of specialized alloy steels, such as ASTM A335 P11, P22, P91, and similar grades rich in chromium and molybdenum. These alloys are fundamental to achieving the required high-temperature strength and corrosion resistance. The steel billet is pierced and then rolled at temperatures above its recrystallization point. This hot rolling process is meticulously controlled to produce a seamless tube with a homogeneous microstructure, free from the weaknesses associated with welded seams. The tubes undergo subsequent heat treatment processes like normalizing and tempering to refine the metallurgical properties, ensuring optimal hardness, toughness, and creep resistance. Rigorous non-destructive testing (NDT), including ultrasonic and eddy current inspections, is performed on every length to guarantee internal and external soundness, alongside comprehensive dimensional checks. This unwavering commitment to quality at every production stage ensures that each <产品名字> delivers consistent, predictable performance in the most demanding thermal applications.

Key Parameters & Specifications:

  • Material Grades: ASTM A335 P5, P9, P11, P22, P91; ASTM A213 T11, T22, T91; DIN 17175 15Mo3, 13CrMo44, 10CrMo9-10.
  • Manufacturing Standard: ASTM A335 / ASME SA335 for seamless ferritic alloy-steel pipes for high-temperature service.
  • Key Features: Excellent creep strength, superior oxidation & sulfidation resistance, good thermal fatigue properties, seamless construction for enhanced pressure integrity.
  • Common Applications: Boiler superheaters and reheaters, heat exchangers, steam pipelines, furnace radiant tubes, catalytic cracking units.
Parameter Typical Range / Value Notes
Outer Diameter (OD) 10.3 mm - 406.4 mm (0.405" - 16") Custom sizes outside this range can be quoted upon request.
Wall Thickness 2.0 mm - 40 mm (SCH 10S - SCH XXS) Thickness is selected based on design pressure and temperature.
Length Up to 12.5 meters (random or fixed lengths) Can be supplied as straight lengths or U-bends for heat exchangers.
Temperature Range Up to 650°C (1200°F) continuously Maximum service temperature depends on the specific alloy grade and environment.
Tensile Strength (Rm) 415 MPa - 620 MPa (Grade dependent) e.g., Min. 415 MPa for P11, Min. 585 MPa for P91 at room temperature.
Yield Strength (Rp0.2) 205 MPa - 415 MPa (Grade dependent) Specified minimum values at room temperature.
Heat Treatment Full Annealing / Normalizing & Tempering Mandatory post-rolling treatment to achieve specified mechanical properties.

Hot Products

  • National Standard Hot-Dip Galvanized Round Pipe

    National Standard Hot-Dip Galvanized Round Pipe

    Xinlida Steel Pipe manufactures high-quality, national standard hot-dip galvanized round pipes using advanced hot-dip galvanizing technology. These pipes are renowned in the industry for their superior corrosion resistance and excellent mechanical strength. The zinc layer formed on their surface effectively isolates them from external corrosive media, significantly extending their service life. With these advantages, national standard hot-dip galvanized round pipes are suitable for various applications including building water supply and drainage, fire sprinklers, municipal guardrails, photovoltaic systems, industrial pipelines, and landscaping facilities. Sufficient stock is available, and custom lengths, cutting, and processing are supported. Direct from the manufacturer, offering high cost-performance.
  • Cold-rolled seamless steel pipes for construction machinery

    Cold-rolled seamless steel pipes for construction machinery

    In the field of construction machinery, steel pipes, as a key basic material, directly affect the stability and safety of projects due to their performance and quality. Tianjin Xinlida Steel Pipe Co., Ltd. has deep expertise in its core steel pipe business and has made significant achievements in the research and development and production of steel pipes for construction machinery. Its Cold-rolled seamless steel pipes for construction machinery , with their excellent properties, have become the ideal choice for numerous engineering projects.
  • Black Striped Rectangular Tube

    Black Striped Rectangular Tube

    Since its establishment in 2015, Tianjin Xinlida Steel Pipe Co., Ltd. has been deeply engaged in the field of steel pipe manufacturing, processing and sales.We produce the black belt square tube, is a straight seam high frequency welding process made of steel pipes, its cross-section is square or rectangular.This Black Striped Rectangular Tube not only has a certain tensile strength, but also has good ductility, so it is widely used in many industries such as construction, machinery manufacturing, and automobile manufacturing.
  • Straight Slit Black Circular Tube

    Straight Slit Black Circular Tube

    Tianjin Xinlida Steel Pipe Co., Ltd., as the leader in the industry, specializes in the production of Straight Slit Black Circular Tube. With excellent quality, its products have extensive and in-depth applications in many fields such as construction, machinery, petroleum, chemical industry, electric power, transportation, etc.
  • Thick Galvanized Elliptical Pipe

    Thick Galvanized Elliptical Pipe

    Since its establishment in 2015, Tianjin Xinlida Steel Pipe Co., Ltd. has been deeply engaged in the field of Thick Galvanized Elliptical Pipe manufacturing. Now it has become a professional limited liability company integrating steel pipe manufacturing, processing and sales.We not only have a number of authoritative qualification certificates and complete administrative licenses, but also driven by technological innovation to maintain a leading edge in the industry competition.
  • Large Diameter Spiral Welded Pipe

    Large Diameter Spiral Welded Pipe

    In many fields such as construction, machinery, petroleum, chemical industry, electric power, transportation, etc., high-quality pipeline materials are the key elements to ensure the smooth progress of projects.Tianjin Xinlida Steel Pipe Co., Ltd. production of Large Diameter Spiral Welded Pipe, with excellent performance and reliable quality, become the ideal choice for many projects.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept