Alloy Steel P91 Seamless Pipes are alloy steel pipes created for strength and corrosion resistance. They are chromium-based pipes, with 9% chromium making up the composition, along with tungsten, molybdenum, nitrogen, vanadium and other metals in smaller concentrations. These unique combinations of elements in their composition make ASTM A335 Alloy Steel P91 Seamless Pipes resilient to high temperatures and have exceptional creep-resistant properties. Additionally, these pipes offer excellent weldability characteristics since they have a low carbon content compared to other types of alloys. Due to their superior mechanical performance at elevated temperatures and their corrosion resistance properties, ASTM A335 UNS K91560 Seamless Pipes are used throughout industries such as chemical processing plants, where they can be utilized in production processes involving high-temperature environments or exposure to corrosive materials.