Carbon Grade P91 Pipes Manufacture, Supplier And Exporter In India

Mcneil Instrument is a leading manufacturer and exporter of Carbon Grade P91 Pipes, designed for high-temperature and high-pressure industrial applications. These pipes are engineered with an optimized blend of chromium, molybdenum, vanadium, and niobium, offering exceptional creep resistance, thermal stability, and mechanical strength for critical service environments.

Carbon Grade P91 Pipes are widely used in power plants, petrochemical plants, refineries, steam piping, and boiler systems, where long-term durability and reliable performance are vital. Manufactured in India with precision and strict quality control, our P91 pipes are exported worldwide to regions including UAE, Saudi Arabia, Qatar, Oman, South Africa, Nigeria, USA, and Canada.

Whether your project requires seamless or welded P91 pipes, custom lengths, or specific wall thicknesses, Mcneil Instrument guarantees superior quality, dimensional accuracy, and global delivery support.

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Technical Specification of Carbon Grade P91 Pipes

ParameterSpecification
CompositionChromium 8–9.5%, Molybdenum 0.85–1.05%, Vanadium & Niobium
Temperature RangeUp to 700°C
Tensile Strength≥ 620 MPa
Yield Strength≥ 440 MPa
Hardness≤ 100 HRB
StandardsASTM A335 / ASME SA335

Key Highlights of Carbon Grade P91 Pipes

  • High-temperature and high-pressure capability

  • Superior creep resistance and long-term durability

  • Excellent oxidation and corrosion resistance

  • Accurate dimensions and smooth surface finish

  • Available in seamless, welded, and custom lengths

  • Trusted worldwide with prompt logistics and support

  • Ideal for power plants, refineries, boilers, and steam pipelines

Why Choose Mcneil Instrument for Carbon Grade P91 Pipes?

At Mcneil Instrument, we focus on precision manufacturing, stringent quality testing, and metallurgical excellence to produce Carbon Grade P91 Pipes that perform reliably under extreme conditions.

With a robust global export network, competitive pricing, and dedicated technical support, we ensure your projects are delivered on time and with consistent quality.

Need Carbon Grade P91 Pipes for critical industrial applications?
Contact us today for a tailored solution, technical guidance, and worldwide delivery.

Frequently Asked Questions – Carbon Grade P91 Pipes

What are Carbon Grade P91 Pipes used for?

Carbon Grade P91 Pipes are used in high-temperature and high-pressure industrial systems including boilers, power plants, refineries, and steam pipelines.

How does P91 differ from P22 Carbon Pipes?

P91 contains higher chromium, molybdenum, vanadium, and niobium content compared to P22, offering superior creep resistance, thermal stability, and mechanical strength.

Can Mcneil Instrument supply P91 pipes internationally?

Yes, we export Carbon Grade P91 Pipes worldwide, including UAE, Saudi Arabia, Qatar, Oman, Africa, USA, and Canada.

Are custom sizes and wall thicknesses available?

Absolutely. Mcneil Instrument manufactures P91 pipes in various diameters, lengths, and wall thicknesses to meet specific project requirements.

Are Carbon Grade P91 Pipes suitable for high-pressure and high-temperature applications?

Yes, P91 pipes are engineered for extreme service conditions, providing reliable performance in boilers, power generation, and refinery piping systems.