Rahil Metal

SA213 Grade T11 alloy steel seamless tubes are critical components in high-temperature and high-pressure applications, especially in the boiler and heat exchanger industries. Their robust mechanical properties, resistance to oxidation, and compliance with ASME standards make them a reliable choice for demanding industrial environments.

SA213 Grade T22 alloy steel seamless tubes are essential for high-temperature and high-pressure applications, particularly in the boiler and heat exchanger industries. Their robust mechanical properties, oxidation resistance, and adherence to ASME standards make them a reliable choice for demanding industrial environments.

ASTM A213 Grade T11 is a specification for seamless alloy steel tubes designed for high-temperature applications, particularly in boiler and heat exchanger systems. Here’s a detailed overview of its key features, specifications, and applications:

Key Features:

1. Material Composition:

   • ASTM A213 T11 is made from an alloy steel with the following typical composition:
     • Carbon (C): Up to 0.12%
     • Manganese (Mn): 0.30% - 0.60%
     • Chromium (Cr): 1.0% - 1.5%
     • Molybdenum (Mo): 0.44% - 0.65%
   • The alloying elements, particularly chromium and molybdenum, enhance strength, hardenability, and resistance to oxidation and corrosion.

2. Mechanical Properties:

   • Tensile Strength: Typically ranges from 60,000 psi (415 MPa) to 85,000 psi (586 MPa).
   • Yield Strength: Minimum yield strength is around 40,000 psi (276 MPa).
   • Elongation: Generally good ductility, often around 20% in 8 inches.

3. Temperature and Pressure Resistance:

   • Designed to operate in high-temperature environments, with maximum service temperatures often reaching up to 750°F (400°C).
   • Suitable for high-pressure applications, making it ideal for use in steam generation and other thermal systems.

4. Applications:

   • Commonly used in:
     • Boiler tubes for steam generation and superheating.
     • Heat exchangers in power generation and chemical processing.
     • Piping systems in refineries and petrochemical plants.

5. Manufacturing Process:

   • Produced as seamless tubes, which ensures uniform wall thickness and eliminates weaknesses associated with welded joints.
   • Manufactured in accordance with ASTM A213 and ASME standards, ensuring high quality and performance.

6. Standards Compliance:

   • ASTM A213 T11 tubes must meet rigorous testing standards, including hydrostatic tests and non-destructive testing, to ensure their structural integrity and reliability.

SA213 Grade T11 alloy steel seamless tubes are critical for high-temperature and high-pressure applications, particularly in the boiler and heat exchanger sectors. Their robust mechanical properties, resistance to oxidation, and compliance with ASME standards make them a reliable choice for demanding industrial environments.