API SPEC 5L/ISO 3183 Welded Line Pipe specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
Ingots, blooms, billets, coils or plates used for the manufacture of pipe shall be made via basic oxygen, electric furnace or open hearth in combination with a ladle refining process. For PSL2, the steel shall be killed and melted according to a fine grain practice. Coil or plate used for PSL2 pipe shall not contain any repair welds.
The strip or plate used for the manufacture of API 5L Line Pipe Grade B PSL 2 pipe shall not contain any repair welds.
The width of the strip or plate used for the manufacture of helical seam pipe shall not be less than 0,8 times or more than 3,0 times the specified outside diameter of the pipe.
Available sizes: 2 3/8 in. – 30 in. outer diameter (OD)
See chart below for a full list of dimensions.
Grades: API 5L B, X42, X52, X60, X65, X70
Specifications: ASTM A53-B, ASTM A106-B, ASME, API-5L
Coating/Overlay Options: Fusion Bonded Epoxy, TGF-3, PowerCrete / Abrasion-resistant overlay (ARO), and other customer-specific coatings
End Finishing: Plain-end beveled (PEB) for welding; Zap-Lok
Wall Thicknesses: Light Wall, Standard Wall, Extra Heavy and other wall thickness available
Application of API 5L Welded Line Pipe:For conveying gas,water and oil either in the oil or natural gas industries.
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