ASTM A335 P9 Pipes Manufacturer, Supplier & Exporter
Amardeep Steel is a trusted Manufacturer, Supplier, and Exporter of premium ASTM A335 P9 Pipes. As a key grade of chromium-molybdenum alloy steel, our A335 P9 Alloy Steel Pipe products are engineered for dependable service in high-temperature environments commonly found in refineries, petrochemical plants, and power generation facilities. We deliver robust P9 seamless pipe solutions that meet stringent international standards and your specific project requirements.
What Are ASTM A335 P9 Alloy Steel Seamless Pipes?
ASTM A335 P9 Pipes, often referred to as Chrome moly P9 pipe and designated by UNS S50400 Pipe, are seamless ferritic alloy-steel pipes intended for high-temperature service. The "P9" signifies a specific chemical composition within the ASTM A335 standard, characterized by approximately 8-10% chromium and 1% molybdenum. This A335 P9 Material Composition imparts excellent high-temperature strength, good oxidation resistance, and reliable performance under demanding thermal conditions
The seamless manufacturing process ensures uniform strength and structural integrity, making ASTM S335 Grade P9 pipes suitable for applications involving high pressures and temperatures. These pipes are versatile and can be effectively used for conveying steam, process fluids, and gases in environments where carbon steels would not suffice. The ASME SA335 P9 Pipe is the equivalent standard often specified for boiler and pressure vessel code applications.
Key Properties & Advantages of ASTM A335 Grade P9 Pipes
Opting for ASTM A335 P9 Pipes from Amardeep Steel offers several key advantages for your high-temperature applications:
- Excellent High-Temperature Strength: The chromium and molybdenum content provides good mechanical strength at elevated temperatures.
- Good Oxidation Resistance: The significant chromium level offers robust resistance to scaling and oxidation in high-temperature atmospheres.
- Corrosion Resistance: Provides better corrosion resistance than carbon and lower chrome steels in many environments, particularly against sulfidation.
- Versatility in Application: Suitable for a range of high-temperature services including P9 boiler pipe and Heat exchanger pipe P9 applications.
- Good Fabricability: A335 P9 Alloy Steel Pipe is suitable for bending, flanging, and similar forming operations, as well as for fusion welding (with appropriate procedures).
- Reliability: The seamless construction and robust alloy composition ensure dependable long-term performance in demanding service.
ASTM A335 P9 Pipe Price in India
The Price of ASTM A335 P9 Pipes can vary based on factors such as order quantity, specific dimensions (OD, wall thickness), length requirements, mill origin, and current market conditions for alloying elements. As a leading Supplier and Manufacturer in India, Amardeep Steel strives to offer competitive pricing.
To provide an example of indicative pricing, here's a sample based on common sizes:
| Size | MSL Make | ISMT make | JSL Make |
|---|---|---|---|
| 1/2" | 4,264.71 | 4,257.35 | 4,272.06 |
| 3/4" | 4,044.12 | 4,036.76 | 4,051.47 |
| 1" | 3,897.06 | 3,889.71 | 3,904.41 |
| 1.25" | 3,852.94 | 3,845.59 | 3,860.29 |
| 1.5" | 3,750.00 | 3,742.65 | 3,757.35 |
For an accurate and current quotation tailored to your specific needs, please request a quote.
ASTM A335 P9 Alloy Steel Seamless Pipe Specifications
Amardeep Steel supplies ASTM A335 P9 Pipes conforming to rigorous international standards and precise customer requirements. Understanding the A335 P9 Chemical Composition and A335 P9 Material Composition is key to its performance.
| Specification Attribute | Details for ASTM A335 P9 Pipes |
|---|---|
| Primary Standard | ASTM A335 / ASME SA335 |
| Grade | P9 |
| UNS Designation | S50400 |
| Manufacturing Process | Seamless (Hot Finished or Cold Drawn) |
| Outer Diameter (OD) | NPS 1/2” to NPS 24” (21.3mm to 610mm) and larger as per custom requirements. |
| Wall Thickness (WT) | Schedule 40, STD, Schedule 80, XS, Schedule 160, XXS, and custom wall thicknesses. |
| Length | Single Random (SRL), Double Random (DRL), 20 ft (6m), 40 ft (12m), or Custom Cut Lengths. |
| End Connections | Plain End (PE), Bevelled End (BE) as per ASME B16.25. Threaded ends available on request. |
| Surface Treatment | Bare, Black Varnished, Oiled, Galvanized, 3LPE/FBE coating (on request). |
| Heat Treatment | Typically supplied in Full or Isothermal Annealed condition, or Normalized and Tempered. Tempering usually at or above 675°C (1250°F). |
| Testing & Certification | Hydrostatic Testing, NDE (UT, MPI, LPI as per requirement), Mechanical Tests, Chemical Analysis. Mill Test Certificate (MTC) to EN 10204 3.1. |
A335 P9 Chemical Composition (Typical wt %)
The A335 P9 Material Composition is characterized by the following key elements:
| Element | Content (wt %) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.25 - 1.00 |
| Chromium (Cr) | 8.00 - 10.00 |
| Molybdenum (Mo) | 0.90 - 1.10 |
Mechanical Properties of ASTM A335 P9 Pipes
| Property | Value |
|---|---|
| Tensile Strength | 60,000 psi (415 MPa) minimum |
| Yield Strength (0.2% offset) | 30,000 psi (205 MPa) minimum |
| Elongation in 2″ (50mm) | 30% minimum (longitudinal) |
| Hardness | Max 250 HBW / 265 HV / 25 HRC |
ASTM A335 P9 Pipe Equivalent Materials
| Standard/Type | Equivalent Grade |
|---|---|
| ASME Pipe Standard | SA335 P9 |
| Fittings (Forging Grade) | ASTM A182 F9 |
| Fittings (Wrought Grade) | ASTM A234 WP9 |
| Plate Equivalent | ASTM A387 Grade 9 |
| JIS (Japanese Standard) | STPA 26 |
| BS (British Standard) | 3604 P1 629-470 (historical reference) |
| DIN / EN (European Equivalent) | X11CrMo9-1 or X12CrMo9-1 (e.g., EN 10216-2) |
ASTM A335 Grade P9 Boiler Steel Pipe Tolerance
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, 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% |
ASTM A335 P9 Pipe Size Chart
Below is a selection of commonly available pipe sizes for ASTM A335 Alloy Steel P9 Pipes:
| O.D (mm) | Thickness (mm) | O.D (mm) | Thickness (mm) | O.D (mm) | Thickness (mm) |
|---|---|---|---|---|---|
| 38.1 | 3.2 | 42.4 | 3.2 | 50.8 | 4.5 |
| 38.1 | 4.0 | 42.4 | 4.0 | 51.0 | 3.2 |
| 38.1 | 6.3 | 44.5 | 3.2 | 51.0 | 3.6 |
| 44.5 | 6.3 | 48.3 | 3.2 | 51.0 | 6.3 |
| 48.3 | 3.6 | 57.0 | 3.2 | 57.0 | 3.6 |
| 57.0 | 4.9 | 57.0 | 6.3 | 57.0 | 7.9 |
| 60.3 | 3.2 | 60.3 | 3.6 | 60.3 | 5.0 |
| 63.5 | 3.2 | 63.5 | 3.6 | 63.5 | 4.0 |
| 63.5 | 6.3 | 63.5 | 7.9 | 70.0 | 3.2 |
| 70.0 | 3.6 | 70.0 | 6.3 | 76.2 | 3.6 |
| 76.2 | 4.0 | 76.2 | 5.0 | 76.2 | 6.3 |
| 82.5 | 4.5 | 88.9 | 3.2 | 88.9 | 3.6 |
| 88.9 | 4.0 | 101.6 | 3.6 | 101.6 | 4.5 |
| 101.6 | 6.3 | 114.3 | 3.6 | 114.3 | 5.0 |
| 139.7 | 4.0 | 139.7 | 5.0 | 139.7 | 6.3 |
Heat Treatment for ASTM A335 P9 Pipes:
ASTM A335 P9 Pipes are typically supplied in one of the following heat-treated conditions to ensure optimal properties for high-temperature service:
- Full or Isothermal Anneal: This process softens the material and refines the grain structure.
- Normalize and Temper: Normalizing involves heating above the upper critical temperature and air cooling, followed by tempering at a temperature of 675°C (1250°F) minimum. This combination provides a good balance of strength and toughness.
The specific heat treatment applied is confirmed on the Mill Test Certificate (MTC).
Applications of ASTM A335 P9 Pipes
The robust high-temperature properties and good corrosion resistance of ASTM A335 P9 Pipes make them a preferred choice. Our Alloy Steel P9 Pipes are utilized in:
- Oil Refineries: Furnace tubes, process piping, heat exchangers handling sour crudes and high-temperature streams.
- Petrochemical Plants: Piping for high-temperature reactors, heaters, and critical process lines.
- Power Generation: Boiler components, superheater and reheater tubes (though higher grades like P91 are now more common for very high-temp steam), and auxiliary steam piping.
- Gas Processing Plants: Equipment handling high-temperature gases.
- Fertilizer Industry: Components in high-temperature synthesis loops.
- General High-Temperature Service: Any application requiring reliable performance with good strength and oxidation resistance at elevated temperatures where P9 seamless pipe is specified.
Why Choose Amardeep Steel for Your ASTM A335 P9 Pipes?
Amardeep Steel is your trusted Manufacturer, Supplier, and Exporter of ASTM A335 P9 Pipes in India and globally:
- Extensive Expertise & Product Knowledge: Deep understanding of A335 P9 Material Composition, properties, and applications.
- Comprehensive Inventory: We maintain a significant stock of ASTM A335 P9 Alloy Steel Seamless Pipes in various sizes and schedules to ensure quick delivery.
- Stringent Quality Assurance: Our ISO 9001 certified processes and rigorous testing ensure every ASTM S335 Grade P9 pipe meets international standards, supplied with full MTC.
- Competitive Pricing: We offer a competitive Price for high-quality Chrome moly P9 pipe, ensuring value for your investment.
- Global Export Capabilities: Efficient logistics and experience in exporting P9 seamless pipe worldwide.
- Customization & Technical Support: We provide cut-to-length services, custom orders, and expert technical assistance to help you select the right Heat exchanger pipe P9 or other P9 solutions.
Related Products
Explore our comprehensive range of alloy steel pipes and associated products, designed for high-temperature and high-pressure applications across power plants, refineries, petrochemicals, and industrial systems:
- ASTM A335 P1 Alloy Steel Pipes
- ASTM A335 P2 Alloy Steel Pipes
- ASTM A335 P5 Alloy Steel Pipes
- ASTM A335 P11 Alloy Steel Pipes
- ASTM A335 P12 Alloy Steel Pipes
- ASTM A335 P22 Alloy Steel Pipes
- ASTM A335 P91 Alloy Steel Pipes
- ASTM A335 P92 Alloy Steel Pipes
- ASTM A213 T9 Seamless Tubes
Looking for a different grade or specification? We offer a full range of custom and standard alloy steel tubes and pipes to meet diverse project needs.
Get Your ASTM A335 P9 Pipes Price & Consultation
For the latest Price, detailed technical specifications, or to discuss your project requirements for ASTM A335 P9 Pipes, contact the alloy steel experts at Amardeep Steel Centre today. We are committed to providing high-quality ASTM A335 P9 Alloy Steel Seamless Pipes and tailored solutions for your high-temperature applications.
FAQ’s About ASTM A335 P9 Alloy Steel Seamless Pipes
1. What is ASTM A335 P9 material?
ASTM A335 P9 (also known as SA335 P9) is a seamless ferritic alloy steel pipe designed for high-temperature applications. This material is widely used in industries such as power generation, petrochemicals, oil & gas, and refineries.
2. What is the hardness of ASTM A335 P9?
The hardness of ASTM A335 P9 pipe should not exceed 250 HBW (Brinell Hardness). This ensures it has the right balance of strength and toughness after heat treatment.
3. What is P9 material equivalent to?
P9 material (UNS S50400) has equivalents or similar grades in other standards, such as ASME SA335 P9. For fittings, you might see ASTM A182 F9 (forged) or ASTM A234 WP9 (wrought). Always verify exact interchangeability for your specific application.
4. What is the microstructure of P9 material?
After proper heat treatment (normalizing and tempering), P9 material typically has a microstructure of tempered martensite and bainite. This structure gives it good strength and creep resistance at high temperatures.