API line pipe factory production specifications

This is steel pipe for pipeline transportation systems in the petroleum and natural gas  industries.  API 5L is suitable for conveying gas, water, and oil.  Size range is limited  only by manufacturer’s capabilities.
API line pipe factory production specifications adhere to the International Organization for  Standardization ISO 3183, which standardizes pipeline transportation systems within the  materials, equipment and offshore structures for petroleum, petrochemical, and natural gas  industries.  The technical committee authoring the standards recognized that there are two  basic Product Specifications Levels (PSL) of technical requirements and therefore developed  PSL 1 and PSL 2.  PSL 1 is a standard quality for line pipe where PSL 2 contains additional  chemical, mechanical properties, and testing requirements. 

Grades covered by this specification are A25 ,A ,B (and the following "X" Grades), X42,  X46, X52, X56, X60, X65, X70, X80.  The two digit number following the "X" indicates the  Minimum Yield Strength (in 000's psi) of pipe produced to this grade.

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