Esha Steel, a trusted manufacturer and supplier based in Kolkata, offers high-quality Alloy Steel T11 Tubing designed to meet the demanding needs of various industrial sectors. Known for its superior heat resistance, excellent strength, and reliable performance under high-pressure environments, T11 tubing is widely used in power generation, petrochemical, and boiler industries. Esha Steel ensures precision manufacturing, strict quality control, and compliance with global standards to deliver tubing that performs exceptionally in elevated temperatures and corrosive conditions. With a strong commitment to customer satisfaction, timely delivery, and competitive pricing, Esha Steel continues to be a preferred source for Alloy Steel T11 Tubing.
Alloy Steel T11 Tubing is mainly made up of 1.0% Chromium and 0.5% Molybdenum, providing better strength, heat resistance, and corrosion resistance. It has a small percentage of carbon, manganese, silicon, and other trace elements for its improvement. The mechanical properties of T11 steel include tensile strength that is very high, typically ranging from 415 to 585 MPa, with yield strength approximately at 205 MPa. This material has good ductility and impact resistance at elevated temperatures. Therefore, this material can be utilized in applications in power plants and petrochemicals and other high-pressure environments.
| ASTM A213 T11 Specification & Standard | ASTM A213 T11, ASME SA213 T11 (with IBR Test Certificate) |
|---|---|
| SA 213 Gr T11 Specification | ASTM A213 & ASTM A209 (T1 , Ta, T1b) BS/3059/ 90/ Part II/ 620 & 622 DIN/ 17175/ 13CrMo44 DIN/ 17175/ 10CrMo910 DIN/ 17175/ 15Mo3 |
| T11 Steel Tube Sch. & Swg. | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg., 3.6 mm Thk |
| ASME SA213 Grade T11 Tubing Size | 6.35 mm OD to 101.6 mm OD |
| A213 Grade T11 Pipe Thickness | 3-12mm |
| SA213 Grade T11 Material Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| Craft | Cold rolled and Cold drawn |
| A213 Grade T11 Tube Type | Seamless / ERW / Welded / Fabricated |
| SA213 T11 Steel Tube available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| ASME SA213 Grade T11 Tube Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
| SA 213 Gr T11 Tube Length | Standard Double & In Cut length also. |
| SA213 Grade T11 Tube End | Plain End, Beveled End, Treaded |
| A213 Grade T11 Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| Specialized in |
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| SA 213 Gr T11 Tube Application & uses | Seamless Ferritic Alloy Steel Tube for High-Temperature Service |
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Mo |
|---|---|---|---|---|---|---|
| SA213 T11 Composition | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50~1.0 | 0.44~0.65 |
| Grade | SA 213 T11 Tensile Strength, MPa | Yield Strength, MPa |
|---|---|---|
| T11 | 415 min | 205 min |
| SA 213 Gr T11 Density | Elongation, % | Hardness, HB |
| 7.85 g/cc | 30 min | 179 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
Alloy Steel T11 Tubing primarily contains chromium (around 1.0–1.5%) and molybdenum (approximately 0.44–0.65%), supported by controlled levels of carbon, manganese, phosphorus, sulfur, and silicon. This composition enhances its high-temperature strength, corrosion resistance, and creep-rupture properties. Mechanically, T11 tubing offers excellent tensile strength, good yield values, and reliable hardness suitable for high-stress applications. Its outstanding thermal stability allows it to retain structural integrity under continuous exposure to elevated temperatures, making it ideal for boilers, heaters, and heat exchanger systems in power and petrochemical industries.
Alloy Steel T11 Tubing is widely used in industries that demand exceptional heat resistance and strength under elevated temperatures. It is commonly utilized in boiler tubes, steam lines, superheaters, reheaters, and heat exchangers within power plants, refineries, and petrochemical units. Its chromium-molybdenum composition makes it suitable for handling high-pressure steam and corrosive environments. T11 tubing is also used in process heating systems, industrial furnaces, and fluid transfer applications where durability and long service life are essential. The material’s stability under thermal cycling and resistance to oxidation make it a reliable choice for critical high-temperature operations.
Esha Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kolkata India.
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