ASME SA335 Grade P91 Alloy Steel Pipes Manufacture, Supplier And Exporter In India
ASME SA335 Grade P91 Alloy Steel Pipes are high-performance Chrome-Molybdenum alloy steel pipes engineered to withstand extreme temperatures and pressures. Known for their superior creep strength, tensile strength, and thermal stability, these pipes are widely used in critical applications such as power plants, boilers, superheaters, reheaters, heat exchangers, and petrochemical industries.
Manufactured under strict ASME and ASTM standards, SA335 P91 pipes offer excellent resistance to oxidation, corrosion, and thermal fatigue, ensuring long-term reliability in demanding environments. As a trusted manufacturer in India, we supply these pipes not only across India but also export globally to countries in the Gulf region (UAE, Saudi Arabia, Qatar), Africa (Nigeria, South Africa, Egypt), North America (USA, Canada), and beyond, meeting diverse industrial requirements.
Technical Specification of ASME SA335 Grade P91 Alloy Steel Pipes
| Parameter | Specification |
|---|---|
| Composition | Chromium 8–9.5%, Molybdenum 0.85–1.05%, Vanadium & Niobium |
| Temperature Range | Up to 700°C |
| Tensile Strength | ≥ 620 MPa |
| Yield Strength | ≥ 440 MPa |
| Hardness | ≤ 100 HRB |
| Standards | ASTM A335 / ASME SA335 |
Key Highlights of SA335 Grade P91 Pipes
High-temperature and high-pressure resistance for critical applications
Superior creep, tensile, and yield strength under continuous thermal cycles
Excellent resistance to oxidation, corrosion, and thermal fatigue
Seamless construction for leak-proof, safe, and reliable performance
Conforms to ASTM A335 / ASME SA335 standards
Ideal for power generation, boilers, petrochemical plants, oil & gas refineries
Available in various diameters, wall thicknesses, lengths, and schedules
Manufactured with advanced quality control, testing, and inspection processes
SA335 P91 pipes are specifically designed to handle the toughest industrial challenges, including high-pressure steam lines, superheater tubes, and heat exchangers in thermal and nuclear power plants.
Why Choose Us for SA335 P91 Alloy Steel Pipes?
Choosing the right supplier is crucial for high-end industrial piping projects. As a leading manufacturer and exporter from India, we combine superior quality, global standards, and prompt delivery to serve industries worldwide.
Our P91 pipes undergo rigorous chemical composition analysis, mechanical testing, hydrostatic and NDT inspections, ensuring that every pipe meets international quality and safety standards. With experience exporting to the Gulf region, Africa, USA, and Canada, we understand global compliance, customs requirements, and timely logistics.
We offer custom lengths, schedules, and wall thicknesses, supported by Mill Test Certificates (MTCs), documentation, and expert technical guidance to make your procurement seamless and risk-free.
Whether you need boiler tubes, superheater and reheater piping, or industrial heat exchangers, our ASME SA335 Grade P91 pipes deliver unmatched strength, reliability, and long-term performance.
Get a Quote Today
Looking for premium ASME SA335 Grade P91 Alloy Steel Pipes? Contact us now for competitive pricing, technical support, and global delivery options. Let us help you select the right pipe for your project and ensure timely shipment to any part of the world.
Frequently Asked Questions – ASME SA335 Grade P91 Alloy Steel Pipes
What is ASME SA335 Grade P91 alloy steel pipe?
SA335 Grade P91 pipes are seamless Chromium-Molybdenum-Vanadium-Niobium alloy steel pipes designed for high-temperature and high-pressure applications in industries such as power generation, petrochemicals, and oil & gas refineries.
Where are SA335 P91 pipes commonly used?
P91 pipes are widely used in boilers, superheaters, reheaters, heat exchangers, power plants, refineries, and high-pressure steam pipelines operating under extreme temperature conditions.
What are the key advantages of P91 alloy steel pipes?
SA335 P91 pipes offer excellent thermal stability, high creep and tensile strength, oxidation resistance, and long-term durability, making them suitable for critical industrial systems.
Are P91 pipes suitable for high-temperature service?
Yes, P91 pipes can withstand temperatures up to 700°C, making them ideal for industrial systems exposed to continuous heat and thermal cycling.
Do you provide custom sizes and lengths?
Yes, P91 pipes are available in custom diameters, wall thicknesses, and lengths to meet project-specific requirements, with global supply and export support to regions including the Gulf, Africa, USA, and Canada.
Which standards do SA335 Grade P91 pipes comply with?
P91 pipes comply with ASTM A335 and ASME SA335 standards, ensuring international quality and suitability for critical applications.
Do you provide certifications for P91 pipes?
Yes, all P91 pipes are supplied with Mill Test Certificates (MTC), hydrostatic test reports, chemical and mechanical test documentation, and third-party inspection options if required.