Alloy grade T22 contains 2-1/4 Chromium, 1 Molybdenum alloy, it has exceptionally high creep properties, has been widely used in high pressure, ultra-high pressure, subcritical power station boiler superheater, header and main steam duct. Grade T22 specified in ASTM A213 which do Ferrite and Austenitic boiler superheater and heat exchanger seamless steel tube.

  • Standards: ASTM A213
  • Dimension: 1/8” to 24”
  • Wall thickness: SCH10 to 160
  • Length: 1m to 12m or custom Length
  • Application: For superheater, reheater pipe, header and steam pipe under 600℃ in high pressure, ultra-high pressure and subcritical power station, nuclear power heat exchanger and oil cracking unit furnace pipe.

T22 Equivalent Material

K11562  P22 13CrMo44 1.7335 STBA24 12Cr2Mo

ASTM A213 T22 Tube Chemistry Composition

Grade C Mn P S Si Cr Mo
T22 0.05-0.15 0.30-0.60 ≤0.025 ≤0.025 0.50 1.90-2.60 0.87-1.13

ASTM A213 T22 Tube Mechanical Properties

Material Tensile Strength (Mpa) Yield Strength (Mpa) Elongation(%) Hardness(HRB)
T22 ≥415 ≥220 ≥30 ≤85

ASTM A213 covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. WLD steel supplies alloy steel ASTM A213 T22 seamless steel tubes manufactured in hot finished or cold finished in various sizes and specifications and equivalent material for boiler and economizer, heater, superheater and reheater system in various sizes and specifications. If you are looking for this material, please contact us or get a quotation. Not only do we have all kinds of sizes, but we also have all kinds of sizes that are hard to find.