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Home > Alloy Steel> ASTM A335 Gr P91 Seamless Pipe
In the heart of Muscat’s industrial landscape, Laila Pipes and Tubes has established itself as a trusted source for high-performance steel solutions. We take pride in supplying the robust ASTM A335 P91 Seamless Pipe, a product engineered for the most demanding environments. Renowned for its superior strength and exceptional resistance to high temperatures, this pipe is the cornerstone of modern power generation and critical process industries, offering unparalleled reliability and longevity for our clients across Oman and beyond.
The strength of the ASTM A335 P91 Seamless Pipe comes from its carefully balanced composition, primarily chromium and molybdenum with a key addition of vanadium. This specific alloying grants it outstanding mechanical properties, including high tensile and yield strength, even when operating under extreme heat and pressure. This combination ensures remarkable creep resistance, meaning the pipe can withstand long-term stress at elevated temperatures without deforming, making it a fundamentally durable choice.
| ASTM A335 Alloy Steel P91 Pipe Size | : | 1/8NB TO 24NB IN |
| Alloy Steel ASTM A335 P91 Standards | : | ASTM A 335, ASME SA 335, UNS K11522 |
| ASTM A335 P91 Alloy Steel Pipe Type | : | Seamless |
| ASTM A335 Alloy Steel P91 Specialized in | : | Large Diameter Size |
| ASTM A335 Alloy Steel P91 Pipe Outer Dimensions | : | 19.05 – 114.3mm |
| Alloy Steel ASTM A335 P91 Pipe Wall Thickness | : | 2.0 – 14 mm |
| Alloy Steel ASTM A335 P91 Pipe Suppliers Length | : | max 16000mm |
| ASME SA335 P91 Alloy Steel Pipe Schedule | : | Schedule 20 – Schedule XXS (heavier on request) up to 250 thk. |
| ASTM A335 Alloy Steel Pipe Form | : | Round, Square, Rectangular, Hydraulic Etc. |
| Alloy Steel ASTM A335 P91 Pipe Length | : | Single Random, Double Random & Cut Length. |
| ASTM A335 P91 Pipe End | : | Plain End, Beveled End, Treaded |
| Grade | C % | Mn % | P % | S % | Si % | Cr % | Mo % |
|---|---|---|---|---|---|---|---|
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020 max | 0.010 max | 0.20 -0.50 | 8.00 – 9.50 | 0.85 – 1.05 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
|---|---|---|---|
| P91 | 585 min | 415 min | 20 min |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing ASTM A335 Gr P91 Seamless Pipe from Laila Pipes and Tubes ensures superior corrosion resistance, excellent thermal conductivity, high strength, and long-lasting performance. Our commitment to quality and precision makes our pipes and tubing ideal for demanding industrial applications.
Laila Pipes and Tubes is the largest supplier of ASTM A335 Gr P91 Seamless Pipe in Dubai, OMAN. We offer premium-quality, corrosion-resistant pipes and tubing ideal for marine, chemical, and industrial applications, with our reliable delivery and customized solutions to meet diverse client needs.
Yes, custom sizes are available for ASTM A335 Gr P91 Seamless Pipe to meet specific requirements. These pipes can be tailored for various industrial applications. For more details, contact us at sales@lailapipes.com.
These ASTM A335 Gr P91 Seamless Pipes are extensively used in industries that require robust, heat-resistant, and durable piping solutions. In the power generation sector, they are utilized for boilers, superheaters, reheaters, and heat exchangers that operate under extreme temperatures and pressures. The petrochemical and chemical industries rely on them for process piping, reactors, and high-temperature transport lines. Meanwhile, the oil and gas industry depends on these pipes for refining, high-pressure pipelines, and the transportation of critical fluids.
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