Molybdenum Grade P91 Pipes Manufacture, Supplier And Exporter In India
Molybdenum Grade P91 Pipes are engineered for extreme high-temperature and high-pressure service, making them one of the most trusted solutions for power plants, boilers, thermal systems, and petrochemical applications. As a reputed manufacturer in India, Mcneil Instrument produces P91 pipes that excel in environments where strength, creep resistance, and oxidation stability are non-negotiable.
P91 material contains chromium, molybdenum, and strengthening elements like vanadium and niobium, delivering exceptional mechanical performance under continuous heat exposure. Our pipes undergo strict metallurgical control and heat treatment to ensure uniform grain structure, high creep strength, and long-service performance — even in demanding superheater and reheater systems.
With a strong international presence, we proudly export Molybdenum Grade P91 Pipes to UAE, Saudi Arabia, Oman, Qatar, Kuwait, Bahrain, South Africa, Egypt, Kenya, USA, and Canada, supplying major EPC contractors, refineries, and power utilities around the globe.
Technical Specification of Molybdenum Grade P91 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 Molybdenum Grade P91 Pipes
High-temperature strength & exceptional creep resistance
Superior oxidation & corrosion resistance
Ideal for superheater, boiler & high-pressure steam lines
Precision heat-treated for structural integrity & durability
Available in seamless & welded forms
Custom lengths, sizes & project-specific specifications
Quality tested as per international standards
Reliable global delivery & export packaging
Why Choose Mcneil Instrument for P91 Pipes?
At Mcneil Instrument, we don’t just manufacture pipes — we engineer long-term reliability for critical industrial applications. Every P91 pipe is produced under controlled conditions, thoroughly tested, and inspected to meet international codes for thermal stability, tensile strength, and fatigue resistance.
Our expertise combines advanced manufacturing, deep technical knowledge, and strong supply capability — ensuring you receive pipes that perform flawlessly during installation and service. From project consultation to export-ready delivery, we partner with customers to ensure seamless execution and long-term value.
📞 Planning a power or refinery project and need high-integrity P91 pipes?
Reach out to Mcneil Instrument and secure precision-engineered material support today.
Frequently Asked Questions – Molybdenum Grade P91 Pipes
What are Molybdenum Grade P91 Pipes used for?
P91 pipes are widely used in superheater tubes, boiler components, heat exchangers, power plants, oil refineries, and steam pipelines where high creep strength & thermal stability are required.
What makes P91 grade different from other alloy grades?
P91 contains Chromium, Molybdenum, Vanadium, and Niobium, providing exceptional high-temperature strength, oxidation resistance, and long service life in elevated temperature environments.
Is P91 suitable for high-pressure & high-temperature applications?
Yes, P91 alloy is engineered to handle extremely high pressure and temperature conditions, making it ideal for boilers, power plants, and thermal processing systems.
What standards do P91 pipes comply with?
P91 pipes conform to ASTM A335 and ASME SA335 specifications for seamless ferritic alloy steel pipes for high-temperature service.
Do you offer P91 pipes in custom sizes and lengths?
Yes, we supply P91 pipes in custom sizes, wall thicknesses, and lengths to meet project-specific requirements with global delivery support.