Alloy Steel T11 Tubes – ASTM A213 / ASME SA213 T11 Tubing Manufacturer & Supplier
ASC LLP is a leading ASTM A213 / ASME SA213 T11 Alloy Steel Seamless Tube Manufacturer in India. Our high-quality Alloy Steel T11 tubes comply with global standards and specifications, making them reliable for use in power generation, petrochemical, and refineries. We offer customized solutions to meet client requirements with a wide range of sizes and dimensions.
What Are Alloy Steel T11 Tubes?
Alloy Steel T11 Tubes are seamless tubes designed for high-temperature applications, particularly in power plants, heat exchangers, and boilers. These Alloy Steel tubes are manufactured as per the ASTM A213 Standard and ASME SA213 T11 Alloy Steel Seamless Tubes specifications, ensuring superior strength, durability, and corrosion resistance. The UNS K11597 T11 Boiler Tube is well-known for its excellent heat resistance and mechanical properties, making it ideal for demanding industrial applications.

Properties and Features of ASTM A213 T11 Alloy Steel Seamless Tubes
- High Temperature Resistance: Suitable for extreme heat environments like boilers and superheaters.
- Superior Mechanical Strength: Enhanced durability due to its alloy composition.
- Excellent Corrosion Resistance: Resists oxidation and corrosion, ensuring longevity.
- High Pressure Capability: Used in industries that require tubes to withstand extreme pressure.
- Versatility: Available in various forms like T11 Alloy Seamless Rectangular Tube for structural applications.
ASTM A213 T11 Tubing Specification
- Standard: ASTM A213 / ASME SA213
- Material: T11 Alloy Steel (UNS K11597)
- Outer Diameter: 6.35mm – 101.6mm
- Wall Thickness: 1mm – 15mm
- Length: Up to 12 meters
- Form: Round, Square, Rectangular, Hydraulic, U-bend
- Surface Finish: Polished, Annealed, Pickled, Bright Annealed
- End Types: Plain End, Beveled End, Threaded
- Manufacturing Process: Cold Drawn, Hot Rolled
- Standards: ASTM A213, ASME SA213, EN 10216-2 10CrMo5-5


Schedule and Size Chart for ASME SA213 Alloy Seamless Steel Tubes
Schedule | Nominal Pipe Size (NPS) | Outside Diameter (OD) | Wall Thickness (WT) |
SCH 10 | 1/2″ – 24″ | 21.3mm – 610mm | 2.77mm – 9.53mm |
SCH 40 | 1/2″ – 24″ | 21.3mm – 610mm | 3.73mm – 13.49mm |
SCH 80 | 1/2″ – 24″ | 21.3mm – 610mm | 4.78mm – 21.44mm |
SCH 160 | 1/2″ – 24″ | 21.3mm – 610mm | 7.47mm – 40.49mm |
Mechanical Properties of Alloy Steel T11 Tubes
Property | Value |
Tensile Strength | 415 MPa (min) |
Yield Strength | 205 MPa (min) |
Elongation | 30% (min) |
Hardness | 163 HB (max) |
Chemical Composition of UNS K11597 T11 Boiler Tube
Element | Composition (%) |
Carbon (C) | 0.05 – 0.15 |
Manganese (Mn) | 0.30 – 0.60 |
Phosphorus (P) | 0.025 (max) |
Sulfur (S) | 0.025 (max) |
Silicon (Si) | 0.50 – 1.00 |
Chromium (Cr) | 1.00 – 1.50 |
Molybdenum (Mo) | 0.44 – 0.65 |
Physical Properties of T11 Alloy Seamless Rectangular Tube
Property | Value |
Density | 7.85 g/cm³ |
Melting Point | 1400°C – 1450°C |
Thermal Conductivity | 36.6 W/m-K |
Specific Heat Capacity | 460 J/kg-K |
Electrical Resistivity | 0.6 μΩ·m |
Applications of EN 10216-2 10CrMo5-5 Boiler Fin Tube
Alloy Steel T11 Tubes are widely used in various industries, including:
- Power Plants: For steam pipelines, heat exchangers, and superheaters.
- Petrochemical Industry: Used in high-pressure and high-temperature environments.
- Boilers & Heat Exchangers: The UNS K11597 T11 Boiler Tube is commonly used in boilers for efficient heat transfer.
- Refineries & Chemical Plants: Suitable for aggressive chemical processing applications.
- Aerospace & Automotive: Provides excellent strength-to-weight ratio for high-performance applications.
EN 10216-2 10CrMo5-5 Boiler Fin Tube
The EN 10216-2 10CrMo5-5 Boiler Fin Tube is another variant of Alloy Steel T11 Tubes, designed for high-pressure boiler applications. This tube type enhances heat transfer efficiency due to its finned structure and is commonly used in steam generation systems.
Why Choose ASC LLP for Alloy Steel T11 Tubes?
- Leading Manufacturer & Supplier: We are a trusted Alloy Steel A213 T11 Tube Manufacturer in India with years of expertise.
- Top-Quality Products: Manufactured using the best raw materials and strict quality control.
- Customization Available: Tubes available in different sizes, thicknesses, and finishes to suit customer needs.
- Competitive Pricing: Affordable rates without compromising on quality.
- Global Exporter: We supply ASTM A213 T11 Tubing to international markets.
If you are looking for high-quality ASME SA213 T11 Alloy Steel Seamless Tubes, ASC LLP is your go-to manufacturer and supplier. Get in touch with us today for a quote or to learn more about our products.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM A213 / ASME SA213 T11 Alloy Steel Seamless Tube. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.