ASTM A335 P9 Alloy Steel Pipe Supplier & Exporter

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a335 p9 pipes

A335/SA335 P9 is a seamless ferritic alloy-steel pipe, is a stalwart solution for high-temperature applications in the steel industry.

Its seamless design ensures consistent and leak-resistant performance, making it a preferred choice for environments with high temperatures and potentially corrosive substances.

The Alloy Steel P9 Pipes Equivalent grades are SA335 P9, S50400, 2604 II TS38, STPA 26, and 3604 P1 629-470.

ASTM A335 Grade P9 pipes represent a significant departure from general carbon pipes, featuring a higher alloy composition that imparts exceptional properties. Comprising 8-10% chromium, 0.25-1% silicon, and 0.90-1.10% molybdenum.

The chemical composition of ASTM A335 Grade P9 pipes is characterized by its key elements: 8-10% chromium, 0.25-1% silicon, and 0.90-1.10% molybdenum. 

In addition to the primary alloying elements, P9 pipes contain small amounts of carbon, manganese, phosphorous, and sulfur. This carefully balanced chemical composition ensures that the SA 335 Grade P9 material is highly resistant to corrosion and oxidation, making it a reliable choice for applications demanding durability.

P9 pipes are engineered to excel under intense pressure and high-temperature conditions, capable of withstanding the harshest industrial environments. Their versatility extends to bending, flanging, and various forming operations, making them a valuable asset in numerous applications.

The Ferritic Alloy Steel SA 335 P9 Chrome Pipe has earned its reputation as a highly versatile material. Its applications span across oil and gas refining and transportation, petrochemical industries, power generation, and more, attesting to its adaptability and resilience.

As a leading suppliers of ASTM A335 P9 Pipes, we are committed to producing top-quality products that meet the demands of a wide range of industries. Our dedication to excellence ensures that our pipes are not only reliable but also feasible for all your project requirements.

ASTM A335 P9 Pipe Specification

Size1/2 to 36 Inch NB
StandardASTM A335 P9, SA335 P9
SchedulesSCH 40, SCH 160, SCH 80, SCH XXS, SCH XS, All Schedules
Material Thickness3 To 12 mm
ToleranceCold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm
TypeERW / Seamless / Welded / Fabricated
CraftCold rolled and Cold drawn
Double &
In Cut length also.
pipe available in Form ofRound, Rectangular, Square, Hydraulic
EndBeveled End, Plain End, Treaded

ASTM A335 P9 Pipe Chemical Composition

0.015 Maximum0.30 To 0.600.025 Maximum0.025 Maximum0.50 Maximum4.00 To 6.000.45 To 0.65

ASTM A335 P9 Alloy Steel Pipe Mechanical Properties

Tensile StrengthYield StrengthElongation
415 Minimum205 Minimum30 Minimum

ASTM A335 P9 Chrome Moly Pipe Equivalent Material

A335 P9SA335 P9STPA 26S504003604 P1 629-470 2604 II TS38

Dimension Tolerance of ASTM A335/ SA335 Gr P9 Pipe

ASTM A450Hot rolledOutside Diameter, mmTolerance, mm
Outer Diameter≤101.6+0.4/-0.8
101.6<Outer Diameter≤190.5+0.4/-1.2
190.5<Outer Diameter≤228.6+0.4/-1.6
Cold DrawnOutside Diameter, mmTolerance, mm
Outer Diameter<25.4±0.10
25.4≤Outer Diameter≤38.1±0.15
38.1<Outer Diameter<50.8±0.20
50.8≤Outer Diameter<63.5±0.25
63.5≤Outer Diameter<76.2±0.30
76.2≤Outer Diameter≤101.6±0.38
101.6<Outer Diameter≤190.5+0.38/-0.64
190.5<Outer Diameter≤228.6+0.38/-1.14
ASTM A530 & ASTM A335NPSOutside Diameter, inchTolerance, mm
1/8≤Outer Diameter≤1-1/2±0.40
1-1/2<Outer Diameter≤4±0.79
4<Outer Diameter≤8+1.59/-0.79
8<Outer Diameter≤12+2.38/-0.79
Outer Diameter>12±1%

Sizes of Low Alloy ASTM A335/ SA335 P9 Steel Pipe

Outer Diameter * Thickness in MMOuter Diameter * Thickness in MMOuter Diameter * Thickness in MM
38.1 * 3.257.0 * 4.976.2 * 4.0
38.1 * 4.057.0 * 6.376.2 * 5.0
38.1 * 6.357.0 * 7.976.2 * 6.3
42.4 * 3.260.3 * 3.282.5 * 4.5
42.4 * 4.060.3 * 3.688.9 * 3.2
44.5 * 3.260.3 * 5.088.9 * 3.6
44.5 * 6.363.5 * 3.288.9 * 4.0
48.3 * 3.263.5 * 3.6101.6 * 3.6
48.3 * 3.663.5 * 4.0101.6 * 4.5
50.8 * 4.563.5 * 6.3101.6 * 6.3
51.0 * 3.263.5 * 7.9114.3 * 3.6
51.0 * 3.670.0 * 3.2114.3 * 5.0
51.0 * 6.370.0 * 3.6139.7 * 4.0
57.0 * 3.270.0 * 6.3139.7 * 5.0
57.0 * 3.676.2 * 3.6139.7 * 6.3

P9 Pipe Applications

The applications of P9 pipes are diverse, primarily owing to their high strength and exceptional performance properties. These pipes find extensive use in the oil and natural gas industry, among other sectors, where robustness and reliability are paramount. Some notable applications of A335/SA335 Seamless P9 pipes include:

  1. Refinery: P9 pipes are a reliable choice for applications within refineries, where they are used for conveying various substances under challenging conditions.
  2. Machine Building: Their strength and resilience make P9 pipes a valuable component in machine building, ensuring the safe and efficient operation of industrial equipment.
  3. Oil and Gas: The oil and gas industry benefits from the use of P9 pipes, where they play a crucial role in transporting and processing hydrocarbons under high pressures and temperatures.
  4. Power Generation: P9 pipes are employed in power generation facilities, providing a dependable means of transporting steam and other fluids in power plants.
  5. Petrochemicals: In the petrochemical sector, P9 pipes serve to transport a range of chemicals and materials, withstanding corrosive environments and high temperatures.
  6. Gas Processing: The gas processing industry relies on P9 pipes to handle the transportation and treatment of natural gas, ensuring safety and efficiency in this critical sector.
  7. Fertilizer: P9 pipes are suitable for fertilizer production facilities, where they are used in the conveyance of various materials involved in the production process.
  8. Sugar: The sugar industry benefits from P9 pipes in the transportation of liquids and materials during the sugar production process.

Supply and Exporter of Alloys Steel A335 P9 Pipes in Cities like

Pimpri-Chinchwad, Chandigarh, Kuwait City, Ulsan, Ankara, Geoje-si, Hanoi, Noida, Secunderabad, Sharjah, Los Angeles, Ahmedabad, Caracas, Al Khobar, Mexico City, Jaipur, New York, Tehran, Gimhae-si, Muscat, Jakarta, Montreal, Perth, Chiyoda, Madrid, Pune, Baroda, Nagpur, Ludhiana, Surat, Melbourne, Lagos, Bengaluru, Kuala Lumpur, Algiers, Ernakulam, Haryana, Courbevoie, London, Dammam, Brisbane, Thane, Aberdeen, Hong Kong, Doha, Houston, Ahvaz, Bogota, Bangalore, Cochin, Anand, Nadiad, ankleshwar, Bharuch, vapi, Valsad, Medak, Godavari, Mumbai, Dallas, Santiago, Bangkok, New Delhi, Ranchi, Hyderabad, Lahore, Indore, Jeddah, Singapore, Kanpur, Moscow, Coimbatore, Seoul, Navi Mumbai, Granada, Chennai, Sydney, Istanbul, Colombo, Faridabad, Dubai, Howrah, Toronto, Rajkot, Karachi, Milan, Bhopal, Nashik, Cairo, Riyadh, Edmonton, Rio de Janeiro, Kolkata, La Victoria, Vung Tau, Gurgaon, Ho Chi Minh City, Thiruvananthapuram, Visakhapatnam, Petaling Jaya, Atyrau, Vadodara, Jamshedpur, Abu Dhabi, Al Jubail, Manama, Busan, Calgary, Port-of-Spain.

Supply and Exporter of Alloys Steel A335 P9 Pipes in Countries like

Taiwan, Mexico, Iran, Namibia, Afghanistan, Netherlands, Nepal, Ireland, Libya, Morocco, Iran, Switzerland, Finland, Slovakia, Pakistan, Australia, Serbia, Angola, China, Philippines, Czech Republic, Belgium, Estonia, Costa Rica, Croatia, Sweden, Venezuela, Colombia, India, Belarus, Jordan, Azerbaijan, Mongolia, Vietnam, Ghana, Iraq, Algeria, Puerto Rico, New Zealand, Singapore, Indonesia, Ukraine, Israel, Mexico, Hong Kong, Bhutan, Germany, Brazil, Plan, Yemen, Malasiya, USA, Cambodia, Laos, Uganda, Tanzania, Sudan, Democratic Republic of Congo, zambia, Ethiopia, Brunei, Madagascar, Niger, Mali, Bangladesh, Bolivia, United States, Ecuador, Lebanon, Italy, South Korea, Denmark, Norway, Sri Lanka, Zimbabwe, Japan, Yemen, Oman, Portugal, Lithuania, Canada, Macau, Bahrain, Austria, Bulgaria, Spain, Kenya, United Kingdom, United Arab Emirates, Kazakhstan, Egypt, Saudi Arabia, Gambia, Argentina, Romania, Tibet, France, Chile, Gabon, South Africa, Trinidad & Tobago,Tunisia, Turkey, Nigeria, Peru, Russia, Chile, Nigeria, Hungary, Qatar, Greece, Malaysia, Kuwait, Poland, Thailand, Poland.

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