A335 P9 Seamless Pipe

Product NameA335 P9 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 P9 Seamless Pipe is a high-quality alloy steel pipe designed to meet the rigorous standards of ASTM A335. Known for its exceptional strength, durability, and resistance to high-temperature environments, the A335 P9 Seamless Pipe is an ideal choice for various industrial applications.


  • Power Generation
  • Petrochemical Industry
  • Chemical Industry
  • Heat Exchangers

Chemical Composition  A335 P9 Seamless Pipe

ElementComposition (%)
Carbon (C)0.15 max
Manganese (Mn)0.30 - 0.60
Silicon (Si)0.25 - 1.00
Phosphorus (P)0.025 max
Sulfur (S)0.025 max
Chromium (Cr)8.00 - 10.00
Molybdenum (Mo)0.90 - 1.10

Mechanical Properties A335 P9 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 P9 Seamless Pipe have the optimal choice for robust high-temperature applications, offering reliability and compliance with stringent ASTM standards.


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