ASTM A355 P11, P12, P22, P91 Alloy Pipe Suppliers, Manufacturers & Exporters

ASTM A335 P11, P12, P22, P91 Alloy Steel Pipes & Tubes Manufacturers

  • Asiamet Steel continues to expand its inventory and actively seek new reputable sources. We offer our own ASTM A335 Grade P11, P12, P22, P91 Alloy Steel Seamless Pipe extensive inventory and will work hard to find items which are not in our present inventory from foreign and domestic mill sources.
  • Alloy steel P11, P12, P22 and P91 seamless tubes shall be made by the seamless process and shall be either hot-finished or cold finished, as specified in ASTM A335 standard. ASTM A335 is the standard specification for seamless ferritic alloy steel pipe for high temperature service.
  • ASME SA335 P11, P12, P22 and P91 Chorme Moly seamless pipe could be used in high temperature environments of 540 – 750 °C. The A335 pipes are generally called chrome moly pipe as they have a high level of chromium and molybdenum present in it.
  • ASTM A335 pipe (P11, P12, P22 and P91) are widely used in different industries for high temperature, high pressure services. Chrome moly alloy steel pipes are widely used in boiler industry, heat exchanger, power station, high and super high pressure vessels.
  • Related Keywords:  ASTM A335 / ASME SA335 P11 Seamless pipes, ASTM A335 / ASME SA335 P12 Seamless pipes, ASTM A335 / ASME SA335 P22 Seamless pipes, ASTM A335 / ASME SA335 P91 Seamless pipes, ASTM A335 P11 Seamless pipes, ASTM A335 / ASME SA335 P12 Seamless alloy pipes.
Product ASTM A355 P11, P12, P22, P91 Alloy Pipes
Size (OD) 50.8 to 860 mm
Thickness 2.77 to 100mm
Length Singel Random, Double Random & Required Length
Types Seamless / ERW / Welded / Fabricate / CRW
Delivery Immediate, 7-30 Days
Price Terms Ex-Work, FOB, CIF, CFR, CNF
Prices Call +919619672006
Email sales@asiametsteel.com
ASTM A335 P11 P12 P22 P91 Alloy Pipes
  • Do you want to know how much does a ASTM A335 P11, P12, P22, P91 Alloy Pipes cost? Do you want to know where you can get the best price and quality ASTM A335 P11, P12, P22, P91 seamless tubes?

  • We are ready to provide you our quality products, fast delivery service, and custom pipe sizes. Send us your detailed inquiry to us, our professional staff will get back to you with our best solution and costs.

Chemical Composition of ASTM A335 P11, P12, P22, P91 Alloy Pipes

Chemical Components (%)
Grade C Mn P S Si Cr Mo V Nb N Al others
P11 0.05-0.15 0.30-0.60 ≤0.025 ≤0.025 0.50-1.00 1.0-1.50 0.44-0.65 / / / / /
P12 0.05-0.15 0.30-0.61 ≤0.025 ≤0.025 ≤0.50 0.80-1.25 0.45-0.65 / / / / /
P22 0.05-0.15 0.30-0.60 ≤0.025 ≤0.025 ≤0.50 1.90-2.60 0.87-1.13 / / / / /
P91 0.08-0.12 0.30-0.60 ≤0.020 ≤0.010 0.20-0.50 8.0-9.50 0.85-1.05 0.18-0.25 0.030-0.070 ≤0.40 ≤0.02 Cb 0.06-0.10
Ti 0.01max
Zr 0.01max

Mechanical Properties of ASTM A335 P11, P12, P22, P91 Alloy Pipes

Mechanical Properties
Grade Tensile Yield Elongation Hardness
Strength (Mpa) Strength (Mpa) (%)
P11 P12 ≥415 ≥220 ≥30 ≤89HRB
P22 ≥415 ≥200 ≥30 ≤89HRB
P91 ≥585 ≥415 ≥20 91HRB-25HRC

Testing & Inspection of ASTM A335 P11, P12, P22, P91 Alloy Pipes

  • Flattening Test—One flattening test shall be made on specimens from each end of one finished tube, not the one used for the flaring test, from each lot
  • Flaring Test—One flaring test shall be made on specimens from each end of one finished tube, not the one used for the flattening test, from each lot
  • Hydrostatic or Nondestructive Electric Test—Each tube shall be subjected to the nondestructive electric test or the hydrostatic test. The type of test to be used shall be at the option of the manufacturer, unless otherwise specified in the purchase order.