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Home > Alloy Steel > Alloy Steel P91 Pipes
Alloy Steel P91 Pipes are robust chromium-molybdenum alloy pipes designed for top-notch performance in high-temperature and high-pressure settings. Thanks to cutting-edge metallurgy, P91 pipes boast remarkable creep strength, oxidation resistance, and thermal stability, making them the go-to choice for today’s power plants and heavy industrial applications. Their durability and ability to maintain mechanical integrity even in extreme conditions guarantee a long service life and dependable operation in critical systems like boilers, steam pipelines, and superheater components.
Typically, Alloy Steel P91 Pipes contain about 9% chromium and 1% molybdenum, with small amounts of vanadium, niobium, and nitrogen added to boost strength and hardenability. This unique chemical makeup gives them excellent high-temperature resistance, strong creep performance, and impressive mechanical toughness. The pipes showcase high tensile and yield strength, good hardness, and outstanding thermal fatigue resistance. Their metallurgical structure allows for stable performance even after prolonged exposure to high temperatures and pressures, ensuring reliable service in demanding industrial environments.
| 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 |
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | N, % | Ni, % | Al, % | Nb, % |
| 0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 585 min | 415 min | 20 min | 250 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Alloy Steel P91 pipes from Laila Pipes and Tubes ensures you receive high-quality products that meet industry standards. Our pipes are manufactured using advanced techniques and stringent quality control processes, ensuring exceptional durability and performance. We offer a diverse range of sizes and specifications to suit various applications, particularly in the power generation and petrochemical sectors. Our commitment to timely delivery and excellent customer service means you can rely on us as your trusted supplier for all your alloy steel pipe needs. Experience the difference with Laila Pipes and Tubes, where quality and reliability are our top priorities.
Laila Pipes and Tubes, one of the largest suppliers of Alloy Steel P91 Pipes in Dubai, OMAN, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Alloy Steel P91 Pipes to meet your specific requirements. Our team at Laila Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@lailapipes.com.
Alloy Steel P91 Pipes find their place in industries that face harsh thermal and mechanical conditions. They are widely used in power generation plants for ultra-supercritical boilers, reheaters, superheaters, and main steam lines, thanks to their exceptional creep strength and oxidation resistance. In the petrochemical and refinery sectors, P91 pipes are utilized for high-temperature furnace tubes, heat exchangers, and process piping systems. They’re also a great fit for industrial steam systems, chemical processing units, and high-efficiency energy facilities. Their longevity, strength, and reliability make them a top choice in the industry.
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