ASME SA213 T11 Seamless Alloy Steel Heater Tubing for High Temperature Services
Overview:
Grade T11 Seamless Tube is a type of alloy steel tube that is designed for use in high-temperature applications. The T11 grade of alloy steel contains a high concentration of chromium and molybdenum, which give it excellent resistance to high-temperature oxidation and corrosion.
The T11 Seamless Tube is commonly used in industries such as power generation, chemical processing, and oil and gas production. It is also used in heat exchangers, boilers, and other high-temperature applications.
The T11 Seamless Tube is seamless, meaning that it has no welded joints. This makes it highly resistant to leaks and reduces the probability of failure in high-pressure applications. The tube is available in various sizes and thicknesses and can be produced according to client specifications with strict adherence to international standards such as ASTM A213 and A269.
The T11 Seamless Tube's high-temperature oxidation resistant properties are due to the high levels of chromium and molybdenum in addition to a small percentage of carbon. These chemical properties ensure that the tube has excellent corrosion resistance and can withstand high temperatures.
The tube's molybdenum content also gives it excellent mechanical properties, including high tensile strength, hardness, and wear resistance. This makes it ideal for use in applications requiring high strength and durability.
The T11 Seamless Tube can be easily machined and fabricated into various shapes and sizes without compromising its structural integrity. It is also capable of being welded using standard welding procedures and without preheat treatments.
Specification:
| Specification | ASME SA213 & Its equivalent ASTM, DIN & EN Standard. |
| Grades | T11 |
| Type | U-bend & Straight seamless tube |
| Outer Diameter | 1/4'' to 2'' or custom size |
| Wall Thickness | BWG25;BWG22;BWG20;BWG18;BWG16;BWG14;BWG12;BWG10 |
| Length | Upto 6 meters, custom cut lengths |
| Delivery Condition | Normalize & Temper |
| Ends | Plain End, Beveled End |
| Other Testing | Product Analysis, Eddy Current Test, Hydrostatic Test, Ultrasonic Test, Flattening Test, Hardness Test, Tensile Test etc. |
| Dimension | All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Packing | Plywood case/Woven bag in bundle |
Chemical Composition:
| Grade | C | Mn | P | S | Si | Cr | Mo |
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.0-1.5 | 0.44-0.65 |
Mechanical Properties:
| Grade | Tensile Strength, min, ksi (MPa) | Yield Strength, min, ksi (MPa) | Elongation in 2 in. or 50mm, min (%) | Hardness | Subcritical Annealing
or Tempering
Temperature,
min or range °F [°C] |
| Rockwell | Brinell/Vickers |
| T11 | 60(415) | 30(205) | 30 | 85HRB | 163HBW/170HV | 1200(650) |
Applications:
Grade T11 Seamless Tubes are commonly used in various industries for their high-temperature and pressure resistance properties. Some of the common applications of T11 seamless tubes include:
1. Power Generation: T11 Seamless Tubes are widely used in power plants for applications such as superheaters, reheat lines, and steam piping. They are also used in boilers and heat exchangers and can withstand high temperatures and pressures.
2. Chemical Processing: In chemical processing plants, T11 Seamless Tubes are used in corrosive environments such as sulfuric acid plants and ethylene oxide plants. They can also be used in heat exchangers and pipelines.
3. Oil and Gas Industry: T11 Seamless Tubes can handle the harsh environments associated with the oil and gas industry, such as high temperatures, high pressures, and corrosive fluids. They are typically used in heat exchangers, boilers, and other components in refineries, petrochemical plants, and offshore platforms.
4. Aerospace: T11 Seamless Tubes are sometimes used in the aerospace industry, particularly in aircraft engines. The high-temperature and pressure resistance of the tubes make them ideal for use in this industry.
5. Automotive: T11 Seamless Tubes can also be used in the automotive industry, particularly in exhaust systems where they can handle high temperatures and are resistant to corrosion.
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ASME SA213 T11 Seamless Alloy Steel Heater Tubing for High Temperature Services Images
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