ASTM A335 P11 Pipes

ASTM A335 P11 Pipes Stockiest and Supplier

ASTM A335 P11 Pipes are high-temperature, high-pressure seamless alloy steel pipes manufactured according to ASTM A335 / ASME SA335 standards. These pipes are alloyed with chromium and molybdenum, providing excellent resistance to oxidation, corrosion, and creep in high-temperature environments. ASTM A335 P11 Pipes are extensively used in power plants, refineries, petrochemical plants, and industrial boiler systems for critical high-temperature piping applications..

Metal Tubular Products is a worldwide stockist and supplier of ASTM A335 P11 Pipes, offering seamless pipes in a wide range of sizes, wall thicknesses, and lengths. With a global supply network, the company ensures timely delivery of ASTM A335 P11 Pipes for both maintenance and large-scale industrial projects. Their pipes are compliant with international standards and meet stringent quality requirements for critical applications..

  • ASTM A335 P11 Pipes

ASTM A335 P11 Pipes exhibit superior mechanical properties, including high tensile strength, yield strength, and elongation, ensuring reliability under extreme conditions. The chromium content enhances oxidation and corrosion resistance, while molybdenum improves creep strength at elevated temperatures. These characteristics make P11 pipes suitable for superheaters, reheaters, heat exchangers, and high-temperature piping networks..

All ASTM A335 P11 Pipes supplied by Metal Tubular Products are manufactured in seamless form using advanced production methods and supplied in the normalized and tempered condition. This ensures uniform wall thickness, dimensional accuracy, and excellent surface finish. The pipes are also weldable and maintain strength after welding, which is essential for industrial installations.

Specification – ASTM A335 P11 Pipes

Standard ASTM A335 / ASME SA335
Grade P11
Material Type Alloy Steel (Chromium–Molybdenum)
Product Form Seamless
Heat Treatment Normalized & Tempered
Manufacturing Process Hot Finished / Cold Drawn
End Finish Plain End, Beveled End
Application High Temperature & High Pressure Service

With competitive pricing, consistent stock availability, and technical expertise, Metal Tubular Products has become a trusted supplier of ASTM A335 P11 Pipes globally. The company supports various industries in achieving safe, efficient, and long-lasting high-temperature piping solutions, making it a reliable partner for critical projects..

Quality control is a priority for Metal Tubular Products. ASTM A335 P11 Pipes undergo chemical testing, mechanical testing, hydrostatic testing, and non-destructive examination to ensure compliance with ASTM standards. Each pipe is supplied with Mill Test Certificates (MTC) as per EN 10204 3.1, ensuring traceability and quality assurance for clients worldwide..

Chemical Composition – ASTM A335 P11 Pipes

Element Carbon (C)
Composition % 0.15 max
Element Manganese (Mn)
Composition % 0.30 – 0.60
Element Silicon (Si)
Composition % 0.50 max
Element Chromium (Cr)
Composition % 0.50 – 0.80
Element Molybdenum (Mo)
Composition % 0.85 – 1.05

Mechanical Properties – ASTM A335 P11 Pipes

Property Tensile Strength
Value ≥ 415 MPa
Property Yield Strength
Value ≥ 205 MPa
Property Elongation
Value ≥ 30%
Property Hardness
Value ≤ 163 HB

Dimension Chart – ASTM A335 P11 Pipes

Outside Diameter ½” NB to 24” NB
Wall Thickness SCH 10 to SCH XXS
Length Single Random, Double Random, Custom Length

Equivalent Grades – ASTM A335 P11 Pipes

Standard Equivalent Grade
ASTM / ASME ASTM A182 F11 (Forgings)
EN EN 10216-2 X10CrMoV9-1
DIN DIN 17175 X10CrMoV9-1
JIS JIS G3462 SCMV4

Applications of ASTM A335 P11 Pipes

  • Oil and gas transmission pipelines for onshore and offshore projects
  • Water supply and distribution pipeline systems
  • Refinery and petrochemical plant piping
  • Natural gas distribution networks
  • Power plant piping and utility services
  • Industrial fluid transportation systems
  • Pipeline infrastructure for energy and process industries

Frequently Asked Questions (FAQ)

What is ASTM A335 P11 pipe used for?

ASTM A335 P11 Pipes are used for high-temperature and high-pressure applications, including boilers, superheaters, heat exchangers, refineries, and petrochemical plants. Their chromium-molybdenum alloy ensures strength and oxidation resistance at elevated temperatures.

What does P11 mean in ASTM A335?

The “P11” designation indicates a chromium-molybdenum alloy steel containing approximately 0.50–0.80% chromium and 0.85–1.05% molybdenum, designed for high-temperature service with improved creep strength and corrosion resistance.

Are ASTM A335 P11 Pipes seamless?

Yes, ASTM A335 P11 Pipes are supplied in seamless (SMLS) form only, as required by ASTM A335 for high-temperature alloy steel pipes.

What heat treatment is applied to P11 Pipes?

ASTM A335 P11 Pipes are supplied in normalized and tempered condition, ensuring uniform wall thickness, dimensional accuracy, and enhanced mechanical properties.

Who supplies ASTM A335 P11 Pipes worldwide?

Metal Tubular Products is a worldwide stockist and supplier of ASTM A335 P11 Pipes, offering reliable delivery, wide size availability, and compliance with international quality standards.

We Supply Pipes Worldwide

We export steel pipes and tubes to over 60 countries worldwide, serving clients across Asia, Europe, the Middle East, Africa, Oceania, and the Americas. Our strong global logistics network ensures reliable delivery, quality assurance, and compliance with international standards.

Export Destinations Include:
Afghanistan, Albania, Andorra, Angola, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, and more.

Metal Tubular Products is a trusted manufacturer, supplier, and exporter

Since 2011, Metal Tubular Products has been a trusted name in the metal industry, known for delivering high-quality ferrous and non-ferrous products across the globe.