ASME SA213 T11 ALLOY STEEL SEAMLESS TUBE , BOILER AND HEAT EXCHANGE
APPLICATION
A213 T11 is a specification for seamless ferritic and austenitic alloy steel boiler, superheater,
and heat-exchanger tubes. It is commonly used in high-temperature applications such as
power plants, refineries, and petrochemical plants. The A213 T11
alloy material exhibits good resistance to high-temperature
oxidation and corrosion, making it suitable for environments with
elevated temperatures and aggressive conditions. It is often used
in the construction of boilers, superheaters, and heat exchangers
where reliable performance at high temperatures is required.
Alloy steel tubes are a type of steel tubing that is made from
alloyed steel, which is a combination of different elements such as
chromium, molybdenum, nickel, or other alloying elements. These
alloying elements are added to enhance the properties of the steel,
such as increased strength, improved corrosion resistance, and
better heat resistance.
Alloy steel tubes are commonly used in various industries,
including oil and gas, power generation, automotive, aerospace, and
construction. They are known for their high strength, durability,
and ability to withstand high temperatures and pressures. These
tubes are often used in applications that require resistance to
corrosion, such as in boilers, heat exchangers, pipelines, and
structural components.
The specific alloy composition and manufacturing process of alloy
steel tubes can vary depending on the desired properties and
intended application. They are typically produced through processes
like seamless or welded manufacturing, and they come in various
sizes, shapes, and grades to meet different industry requirements.
Main Materials of Alloy Steel:
ASTM A213 T5, T9, T11, T22, T23, T91, T92
ASTM A335 P5, P9, P11, P22, P91, P92
ASTM A/ASME SA 213 specification pipes are available in grades
including T5, T9, T11, T22, T23, T91, T92. ASTM A/ASME SA335 Grade
P5, P9, P11, P22, P91, P92. Alloy steel tubes are generally
available in stock with OD sizes in all standard sizes and
thicknesses.On demand, we can offer our customers with high quality
alloy steel pipes and tubes with black painting, anti-corrosion oil
and galvanised finish.
| Trade Name | Grade | UNS # | Heater Tubes |
| 1 1/4 Chrome | T11 | K11597 | A213 / SA213 |
| 2 1/4 Chrome | T22 | K21590 | A213 / SA213 |
| 5 Chrome | T5 | K41545 | A213 / SA213 |
| 9 Chrome | T9 | K90941 | A213 / SA213 |
| T91 | T91 | K90901 | A213 / SA213 |
| T92 | T92 | K92460 | A213 / SA213 |
Chemical Composition of ASTM A213 T11 Seamless Boiler Tubes
| Grade | Chemical Composition(%) |
| C | Mn | P | S | Si | Cr | Mo |
| A213 T11 | 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.50-1.00 | 1.00-1.50 | 0.45-0.65 |
Mechanical Properties of ASTM A213 T11 Seamless Boiler Tubes
| Grade | Tensile Strength,
min, ksi [MPa] | Yield Strength,
min, ksi [MPa] | Elongation in 2 in. or 50 mm,min, % | Hardness |
| Brinell/Vickers | Rockwell |
| T11 | 60 [415] | 30 [205] | 30 | 179 HBW/
190HV | 89 HRB |
ASTM A213/ASME SA213 T2, T11, T12, T22, T91, T92 Tolerance
| 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 |
The Application of SA213 T11 Alloy Steel Tube:
SA213 T11 Alloy Steel Tube use in Petrochemical Industry
SA213 T11 Alloy Steel Tube use in Chemical Industry
SA213 T11 Alloy Steel Tube use in Nuclear Power Plant Industry
SA213 T11 Alloy Steel Tube use in Oil and Gas Industry
SA213 T11 Alloy Steel Tube use in Research & Development
SA213 T11 Alloy Steel Tube use in Mega Projects & Defense &
Development Industries
SA213 T11 Alloy Steel Tube use in Pulp & Paper Indusries
