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Liam Pipes and Tubes is a reliable manufacturer and supplier of ASTM A335 Gr P91 Seamless Pipes based in Houston, USA. We proudly serve power plants, refineries, and petrochemical industries with our high-performance alloy steel pipes, specifically designed for high-temperature service conditions. Our ASTM A335 Grade P91 pipes are celebrated for their exceptional strength, impressive creep resistance, and long-lasting performance even under elevated pressures and temperatures. Crafted to meet rigorous quality standards, they comply with all ASTM and ASME specifications. At Liam Pipes and Tubes, we offer customized lengths and diameters, ensuring prompt delivery and trustworthy service for critical industrial applications.
These ASTM A335 Gr P91 Seamless Pipes are made from a chromium-molybdenum alloy, featuring about 9% chromium and 1% molybdenum, along with trace amounts of vanadium and nitrogen. This unique composition boosts oxidation resistance, creep strength, and hardness at high temperatures. Typically, they boast a minimum tensile strength of 585 MPa, a yield strength of 415 MPa, and an elongation of at least 20%. Designed for outstanding thermal stability, these pipes perform reliably in pressure environments exceeding 600°C, making them perfect for power generation and boiler systems that operate under stress.
| DIN | EN | BS | NFA | ASTM | ASME |
| – | EN 10255 Grade S195T | – | – | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Carbon Steel EN10255 Pipe from Liam Pipes and Tubes ensures outstanding corrosion resistance, high strength, and durability. Our Pipe is designed for diverse industrial applications, delivering reliability and performance in challenging environments while maintaining competitive pricing.
| Carbon | Silicon | Manganese | Phosphorous | Sulphur | Molybdenum | Nickel | Chromium | Copper | Others |
| max 0.20 | – | max 1.40 | 0.035 | 0.03 | – | – | – | – | – |
| Yield Strength | Tensile Strength | Elongation A5 min | |||
| MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
| 320 | 520 | – | 20 | ||
Liam Pipes and Tubes is one of the largest Carbon Steel EN10255 Pipe suppliers in Houston , USA, providing a comprehensive range of high-quality pipes tailored for various industries, ensuring reliable delivery and exceptional service to meet diverse project needs.
Yes, we offer custom sizes for Carbon Steel EN10255 Pipe to meet your specific requirements. Our team at Liam Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@liampipes.us.
You’ll find ASTM A335 Gr P91 Seamless Pipes primarily in power plants, refineries, petrochemical facilities, and thermal systems where high-temperature and high-pressure performance is crucial. They excel as superheater and reheater tubes, heat exchangers, steam pipelines, and boiler tubes. Their remarkable resistance to thermal fatigue and stress rupture makes them a top choice for high-efficiency and ultra-supercritical boiler systems. Plus, the seamless construction guarantees uniformity and reliability, which is essential for demanding applications that involve prolonged exposure to high temperatures and pressures in challenging service conditions.
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