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SA213 T91 Tubes are seamless ferritic-martensitic alloy steel tubes widely used in high-temperature and high-pressure environments, such as boilers, superheaters, and heat exchangers. Their composition, which includes chromium and molybdenum, grants them excellent mechanical properties, making them highly resistant to oxidation, corrosion, and thermal fatigue. Manufactured in accordance with ASTM A213 / ASME SA213 standards, these tubes play a crucial role in industries such as power generation, petrochemicals, and oil and gas.
Super Steel Manufacturing Co.,Ltd is professional SA213 T91 tubes manufacturer, for more details, please contact:sales@super-steels.com
Key Features of SA213 T91 Tubes
High-Temperature Resistance: Capable of withstanding temperatures up to 600°C, making them ideal for power plant boilers and superheaters.
Corrosion and Oxidation Resistance: Chromium and molybdenum content enhances resistance to oxidation and corrosion in extreme environments.
Seamless Construction: Ensures superior strength and durability, minimizing failure risks under high pressure.
Mechanical Strength: High tensile and yield strength make these tubes suitable for demanding industrial applications.
Applications of SA213 T91 Tubes
Power Generation: Used in boilers, superheaters, and reheaters in thermal power plants.
Oil & Gas: Ideal for transporting high-temperature fluids and gases.
Petrochemical Industry: Commonly utilized in heat exchangers and pressure vessels for safe and efficient operations.
Advantages of SA213 T91 Tubes
Long Service Life: Exceptional durability under high-temperature and high-pressure conditions.
High Efficiency: Seamless construction optimizes heat transfer and reduces energy loss.
Cost-Effective: Corrosion and oxidation resistance lower maintenance costs and downtime.
Enhanced Safety: Reliable performance in high-pressure settings minimizes failure risks and improves system safety.
Mechanical Properties of SA213 T91 Tubes
Tensile Strength: High tensile strength ensures optimal performance in high-pressure applications.
Yield Strength: Superior yield strength prevents deformation under stress.
Elongation: High elongation percentage provides ductility and flexibility.
Specifications of SA213 T91 Tubes
SA213 T91 Tubes are specifically designed for high-temperature and high-pressure applications in industries like power generation and petrochemicals. Their outstanding mechanical properties and seamless design make them ideal for critical environments, ensuring safety, efficiency, and long-lasting performance.
Grade: T91
Standard: ASTM A213 / ASME SA213
Type: Seamless Ferritic Alloy Steel Tubes
Outer Diameter: Available in various sizes as per application requirements
Wall Thickness: Customizable based on operating pressure
Length: Offered in standard and custom lengths
Ends: Available in plain, beveled, or threaded ends
Conclusion
SA213 T91 Tubes are available in different forms, including Cold Drawn Seamless (CDS), Consistently Mechanical T91 tubes, and Hot Finished Seamless (HFS) T91 tubes, with wall thicknesses up to 100mm. Primarily used in boilers, superheaters, and heat exchangers, SA213 T91 is a 9Cr-1Mo-V alloy steel with UNS designation K90901. While comparable to ASTM A335 P91, its chemical composition has slight variations.
Grade T91 is an advanced ferritic alloy heat-resistant steel developed from Grade T9 through purification, fine crystallization metallurgy, microalloying, and controlled rolling processes. It offers excellent mechanical, welding, and processing properties, making it a preferred choice for high-temperature compression applications.
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