A335 P23 Seamless Pipe

Product NameA335 P23 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

The A335 P23 Seamless Pipe is a high-quality alloy steel pipe designed for high-temperature applications. It meets the rigorous standards of ASTM A335 and ASME SA335, making it suitable for use in boilers, heat exchangers, superheaters, and pressure vessels.


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

Chemical Composition A335 P23 Seamless Pipe

ElementComposition (%)
Carbon (C)0.04 - 0.10
Manganese (Mn)0.10 - 0.60
Silicon (Si)0.50 max
Phosphorus (P)0.020 max
Sulfur (S)0.010 max
Chromium (Cr)1.90 - 2.60
Molybdenum (Mo)0.05 - 0.30
Vanadium (V)0.02 - 0.10
Nitrogen (N)0.03 - 0.07
Boron (B)0.001 - 0.006

Mechanical Properties A335 P23 Seamless Pipe

Tensile Strength510 MPa (73,900 psi) min
Yield Strength400 MPa (58,000 psi) min
Elongation20% 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 P23 Seamless Pipe provide exceptional durability and performance in high-temperature environments. Meeting stringent ASTM standards, these pipes are ideal for demanding applications in boilers, heat exchangers, superheaters, and pressure vessels. Emirerri Steel is dedicated to delivering high-quality, reliable alloy steel piping solutions tailored to your specific needs. Contact us for more information or to place an order.


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