Alloy Steel P11 Pipes are designed for high-temperature and high-pressure service, offering superior mechanical strength, oxidation resistance, and long-term durability. These pipes are composed of a chromium-molybdenum (Cr-Mo) alloy, with approximately 1.0% chromium and 0.5% molybdenum content, enhancing their resistance to heat, corrosion, and scaling. P11 pipes are widely used in industries such as power generation, refineries, petrochemicals, and thermal plants where elevated temperatures and aggressive environments are common.
P11 pipes are manufactured through seamless processes, ensuring uniform wall thickness, high strength, and consistent dimensional tolerances. The combination of chromium and molybdenum not only improves creep strength and rupture resistance but also enhances the pipe’s ability to maintain mechanical properties at high operating temperatures. ASTM A335 P11 is particularly suitable for boiler tubes, superheater tubes, headers, and steam lines that require reliable performance under cyclic temperature and pressure fluctuations.
At Middle East Piping, we supply a complete range of ASTM A335 P11 seamless pipes, manufactured in compliance with ASME SA335 and ASTM A335 standards. Our inventory covers sizes from ½” NB to 24” NB with wall thicknesses ranging from SCH 20 to SCH XXS and custom thicknesses upon request. Pipes are hot-finished or cold-drawn and supplied with EN 10204 3.1 / 3.2 certification, along with full mechanical, hydrostatic, and nondestructive testing records to meet critical project requirements. click here for more pipes
Whether your application involves high-temperature steam piping, heat exchangers, power plant components, or critical refinery systems, ASTM A335 P11 pipes provide a high-performance, cost-effective solution. We ensure prompt supply and project-specific support across Saudi Arabia, UAE, Qatar, Oman, and Bahrain. click here for valves
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