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a335 p91 alloy steel pipe

 We can help supply all of the Alloy Steel Pipe or linepipe supplies that your company needs for use in the oil or natural gas industries. High strength low alloy steel specifications for these pipes regulate usage for standard ASTM/ASME A335 / ASTM/ASME A691 pipes & tubes. Alloy Steel Pipe & Tubes is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.


  • Accurately designed
  • Superb performance
  • Reliable results
  • Long operational life
  • Accurate dimensions

Alloy Steel Seamless, Welded, ERW Pipes & Tubes Applications

  • Metal industry
  • Steel industry
  • Factories
  • Refineries
  • Automobiles


Alloy Steel Pipes & Alloy Steel Tubes Specifications:

Specification : ASTM/ASME A335 / ASTM/ASME A691
Size : 1/2” NB – 24” NB
Thickness : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Grade : A335 GR P1, P5, P9, P11, P12, P22, P23, P91.
A691 GR 1CR 11, 4CR 21, 4CR
Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form : Round, Square, Rectangular, Hydraulic Etc
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End, Treaded

Types of Alloy Steel Pipes & Tubes

ASTM A335 P1 Alloy Steel Seamless Pipes Alloy Steel Welded Pipes
ASTM A335 P2 Alloy Steel ERW Pipes ASME SA213 T2 Alloy EFW Tube
ASTM A335 P9 Alloy Steel Seamless Pipes A213 T5 Alloy Welded Tube
ASTM/ASME A335 P11 Alloy Seamless Pipes ASTM A213 T5b Alloy Tube
ASTM A335 P12 Alloy Welded Pipes ASME SA213 T5c Alloy Steel ERW Tube
ASTM/ASME A335 P22 Alloy EFW Pipes ASTM/ASME A213 T11 Alloy Seamless Tube
Alloy Steel ASTM/ASME A335 P23 Seamless Pipes ASTM A213 T12 Alloy Welded Tube
ASTM A335 P91 Alloy Steel Fabricated Pipe ASME SA213 T22 Alloy Seamless Tube
ASME SA335 P92 Alloy Steel Seamless Pipe ASTM A213 T23 Alloy Steel Welded Pipe
ASTM/ASME A691 GRADE 1CR 11/4CR 21/4CR Alloy EFW Pipe ASTM A213 T91 Alloy Steel ERW Tube
ASTM A691 GRADE 91 Alloy Steel Pipes ASME SA213 T92 Alloy Steel EFW Tube

Contact us


Phone Number:  86 18920479159


Whatsapp No.:86 18920479159

Tianjin Pengbo Steel Co.,Ltd    Tianjin ICP for 15004377   Background management