ASME SA335 Grade P11 Alloy Steel Pipes Manufacture, Supplier And Exporter In India
ASME SA335 Grade P11 Alloy Steel Pipes are engineered for exceptional performance in high-temperature and high-pressure environments, making them one of the most trusted materials in global industrial piping systems. Manufactured using premium Chrome-Moly alloy steel, these pipes deliver long-term stability, excellent creep resistance, and superior heat strength — crucial for industries where performance cannot be compromised.
As a leading ASME SA335 Grade P11 Alloy Steel Pipe manufacturer in India, we supply industries across the world, offering seamless pipes designed to withstand extreme service conditions. Whether used in power generation units, refineries, petrochemical complexes, boiler lines, steam lines, or superheater and reheater tubes, P11 pipes remain a preferred choice due to their excellent metallurgical balance, dimensional consistency, and outstanding thermal performance.
We proudly export SA335 P11 pipes to multiple global markets including the UAE, Saudi Arabia, Qatar, Oman, Kuwait in the Gulf region, along with Nigeria, Kenya, Egypt, South Africa across Africa, and to USA and Canada. Each pipe is produced and tested to strict international standards to ensure reliability, safety, and durability under the most demanding operating conditions.
Technical Specification of ASME SA335 Grade P11 Alloy Steel Pipes
| Parameter | Specification |
|---|---|
| Composition | Chromium 1–1.5%, Molybdenum 0.44–0.65% |
| Temperature Range | Up to 600°C |
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 85 HRB |
| Standards | ASTM A335 / ASME SA335 |
Key Highlights of SA335 Grade P11 Pipes
Engineered for high-pressure & high-temperature systems
Excellent resistance to oxidation, corrosion & thermal fatigue
Superior creep, tensile & yield strength for prolonged use
Seamless construction ensures leak-proof & fail-safe performance
Manufactured as per ASME, ASTM & international norms
Excellent weldability & structural integrity for complex piping routes
Suitable for power plants, boilers, oil & gas and petrochemical industries
Available in custom lengths, wall thicknesses, schedules & surface finishes
Rigorously tested — hydrostatic, ultrasonic, chemical & mechanical tests
With a proven track record across diverse industries, SA335 P11 pipes enable industries to operate smoothly, efficiently, and safely, even in environments involving continuous thermal cycles and aggressive media.
Why Choose Us for SA335 P11 Alloy Steel Pipes?
Choosing the right supplier is as important as choosing the right grade. We combine manufacturing excellence, strict quality standards, and strong global supply capabilities to deliver products that add real value to your projects.
Our P11 alloy steel pipes are produced under stringent quality control with MTC, NDT test reports, hydro-test certification, PMI testing, and third-party inspection options. From precise chemical composition to dimensional accuracy and mechanical performance, every pipe reflects our commitment to engineering precision and operational reliability.
We maintain strong delivery networks across India and international ports, ensuring timely shipment to Africa, the Middle East, the Gulf region, USA, Canada, and Europe. With competitive pricing, flexible MOQ, and a dedicated support team, we make your procurement experience seamless and dependable.
When performance matters and timelines are critical, our SA335 P11 pipes deliver the assurance you need — every time.
Get the Best Quote Today
Looking for a reliable ASME SA335 Grade P11 pipe manufacturer and global exporter?
Submit your project requirement or request a quick quote — our technical team will assist you with specifications, pricing, and fastest delivery options.
Frequently Asked Questions – ASME SA335 Grade P11 Alloy Steel Pipes
Where are ASME SA335 Grade P11 Alloy Steel Pipes used?
P11 alloy pipes are widely used in power plants, oil refineries, petrochemical plants, steam boilers, heat exchangers, and super heater systems that operate at high temperatures and pressures.
What are the main advantages of P11 alloy pipes?
P11 pipes offer excellent strength, oxidation resistance, thermal stability, and durability under continuous high-temperature service, making them ideal for boiler and steam applications.
Are P11 pipes suitable for high-temperature boiler use?
Yes, P11 alloy steel is specifically chosen for boiler tubes, reheaters, and steam pipelines because of its ability to withstand extreme heat and stress.
What standards apply to P11 alloy steel pipes?
P11 pipes are produced according to ASTM A335 and ASME SA335 standards for seamless ferritic alloy steel pipes for elevated-temperature service.
Do you provide P11 pipes in custom sizes?
Yes, P11 pipes are supplied in customized diameters, wall thicknesses, and lengths to meet specific project requirements with global shipping support.