Petroleum and natural gas industries. Steel pipe for pipeline transportation systems1 Scope This document 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. This document supplements API Spec 5L, 46th edition (2018), the requirements of which are applicable with the exceptions specified in this document. This document is not applicable to cast pipe.

The presence of solid particulate contamination in the liquid interferes with its ability to lubricate and causes wear to the components

The theoretical background of antenna measurement is beyond the scope of this document

This document further includes installation requirements for the EIFS materials that include a water resistive barrier (WRB) and decorative projections as part of the cladding system for walls

BS EN 16842‑1 on visibility test methods and verification is of relevance

ISO 20290‑3 is the third part of the ISO 20290 series

BS EN 12504-1:2009 Testing concrete in structures

as well as enlightens the users about the method for designation of refrigerants in accordance with global standards

BS EN 55020 for immunity requirements applies to television broadcast receivers

BS 7416 on carbon steel tubes in hydraulic fluid power systems is useful for:

BS EN 4324 is part of the series of EN metallic materials for aerospace applications

Note 3: Any additional requirements related to use with both mechanical and manual feed that could affect safe use or which are necessary to maintain the integrity of protective devices are outside the scope of BS EN 13525

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