ASTM A213 T22 Alloy Steel Seamless Tube Boiler Superheater Heat Exchanger
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A213 T22
Minimum Order Quantity:10PC
Delivery Time:15-35 DAYS
Payment Terms:L/C, L/C, T/T
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ASTM A213 T22,Alloy Steel Seamless Tube,Boiler,Superheater,Heat Exchanger
Overview
ASTM A213 is a standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes. It covers a range of steel grades including T2, T5, T9, T11, T12, T22, T91, and T92, among others.ASTM A213 T22 specifically refers to a seamless ferritic alloy-steel tube with the composition suitable for high-temperature service. T22 is commonly used in power generation and petrochemical industries, particularly in boiler applications.The specification covers various mechanical properties such as tensile strength, yield strength, elongation, and hardness requirements. It also specifies the chemical composition of the steel, including elements like chromium, molybdenum, and carbon.
Chemical Composition of ASTM A213 T22
| Grade | Mo | Cr | Si | Mn | C | P | S | |
| T22 | Min | 0.87 | 1.9 | 0.3 | 0.05 | |||
| Max | 1.13 | 2.6 | 0.5 | 0.6 | 0.15 | 0.025 | 0.025 |
Mechanical Properies of ASTM A213 T22
| Grade | Tensile Str Ksi(Mpa) | Yield Str Ksi(Mpa) | Elongation(%) |
| T22 | ≥60(415) | ≥30(205) | ≥30 |
Wall Thickness Tolerance of ASTM A213
| Welded, Hot-Finished Tubes | Type | Wall Thickness Tolerance |
| OD Range | Average(-) | |
| 6~65mm(Incl.) | SMLS&WLD | (-12.5%,+20%) |
| >65mm | SMLS&WLD t/D≤5% | (-12.5%,+22.5%) |
| >65mm | SMLS&WLD t/D>5% | (-12.5%,+15%) |
The Application of ASTM A213 T22
- 1.Boiler Tubes: T22 tubes are widely used in the construction of boilers, both in fossil fuel-fired and nuclear power plants. They provide excellent resistance to high-temperature and high-pressure conditions, ensuring efficient heat transfer and reliable performance.
- 2.Superheaters and Heat Exchangers: T22 tubes are utilized in superheaters and heat exchangers, where they facilitate the transfer of heat in various processes and systems. These tubes can withstand the high temperatures and pressures encountered in these applications.
- 3.Petrochemical Industry: ASTM A213 T22 finds extensive usage in the petrochemical industry, particularly in refineries and chemical plants. The tubes are employed in heat exchangers, reactors, and other equipment that handle corrosive fluids and operate at elevated temperatures.
- 4.Power Generation: T22 tubes are crucial components in power generation facilities, including thermal power plants and combined cycle power plants. They are used in boilers, steam pipelines, and superheaters, ensuring efficient energy conversion and reliable operation.
- 5.High-Temperature Service: Due to its excellent high-temperature strength and resistance to oxidation and corrosion, ASTM A213 T22 is also employed in various applications where exposure to extreme heat and corrosive environments is a concern.
ASTM A213 T22 Alloy Steel Seamless Tube Boiler Superheater Heat Exchanger
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