A335 P22 Seamless Pipe

Product NameA335 P22 Seamless Pipe
MaterialAlloy Steel
SpecificationsASTM A335 / ASME SA335
Size Range1/2" NB to 24" NB
Wall ThicknessSCH 40, SCH 80, SCH 160, SCH XXS
LengthSingle Random, Double Random, or Custom Length
CertificationISO 9001, API 5L, CE
Categories: ,


Product Description

A335 P22 Seamless Pipe is a premium alloy steel pipe engineered for high-temperature applications. Adhering to ASTM A335 and ASME SA335 specifications, these pipes are ideal for boilers, heat exchangers, superheaters, and pressure vessels.


  • High-temperature services
  • Boilers
  • Heat exchangers
  • Superheaters
  • Pressure vessels

Chemical Composition A335 P22 Seamless Pipe

ElementComposition (%)
Carbon (C)0.05 - 0.15
Manganese (Mn)0.30 - 0.60
Silicon (Si)0.50 max
Phosphorus (P)0.025 max
Sulfur (S)0.025 max
Chromium (Cr)1.90 - 2.60
Molybdenum (Mo)0.87 - 1.13

Mechanical Properties A335 P22 Seamless Pipe

Tensile Strength415 MPa (60,200 psi) min
Yield Strength205 MPa (29,700 psi) min
Elongation30% min
Hardness (Brinell)163 HB max
Hardness (Rockwell B)85 HRB max
Impact Energy (Charpy V-Notch)27 J (20 ft-lbf) min at -20°C (-4°F)


A335 P22 Seamless Pipes offer exceptional durability and performance in high-temperature environments. Manufactured to meet stringent ASTM standards, these pipes are ideal for demanding applications in boilers, heat exchangers, superheaters, and pressure vessels. Emirerri Steel is committed to providing high-quality, reliable alloy steel piping solutions tailored to your needs. Contact us for more information or to place an order.


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