Seamless pipes are manufactured without seam welds. These pipes are manufactured from steel billets which are heated and drilled to generate the tubular section. Seamless pipes are utilized for different purposes in the oil and gas industry such as upstream operations, and midstream operations like carrying and distribution of different fluids like oil, gas, slurries, steam, and acids. Also used in downstream operations like process piping to refine oil and gas in secondary produce. Seamless Pipes are suitable to use in general plumbing applications in this industry.

Types of Seamless pipes used in the oil and gas industry are:

• Carbon Steel Seamless Pipes in grades such as ASTM A106, A333, A53, and API 5L .
• Chrome-moly alloy steel seamless pipes in grades like ASTM A335 Grades P5 to P91 for high temperature and pressure applications.
• Stainless steel seamless pipes in ASTM A312 Series of 300 and 400 such as 304, 316, 321, and 347.
• Duplex and super duplex Seamless pipes in ASTM A790/ A928 with double ferritic and austenitic structure.
• Seamless Pipes are available in different nickel alloys such as Inconel, Hastelloy, Cupronickel, Monel, and Nickel.