Civil Engineering Association

BS 4515-1:2009 Specification for welding of steel pipelines on land and offshore. Carbon and carbon manganese steel pipelines

BS 4515-1:2009 specifies requirements for the welding of carbon, carbon manganese and low alloy steel pipelines with specified minimum yield strengths not exceeding 555 N/mm2 (grade L555 as specified in ISO 3183:2007 and BS EN 10208-2:1997 and designed in accordance with PD 8010-1 and PD 8010-2.

BS 4515-1 applies to pipes of outside diameter 21.0 mm and larger having a thickness of 3.0 mm or greater and is applicable to transmission pipelines for gases, liquids or slurries, both on land and offshore.

Information on hyperbaric welding and on brazing and aluminothermic welding of anode bonding leads, and recommendations for the welding of corrosion resistant alloy clad and lined pipelines, are provided.

This is a full revision of the standard, and introduces the following principal changes:

removal of references to BS EN 288-9, which has been withdrawn. Where appropriate, requirements from BS EN 288-9 have been incorporated in this standard
revision of Clause 8 on testing, qualification and approval of welding procedures
revision of Annex A on hyperbaric welding.

BS 4515-1 specifies:

Normative references
Terms and definitions, and abbreviations
Information and requirements to be approved and documented
Equipment
Welding process
Welding consumables
Testing, qualification and approval of welding procedures
Testing, qualification and approval of welders
Production welding
Inspection and testing of welds
Acceptance and rectification of welds.

BS 4515-1:2009 supersedes BS 4515-1:2004, which is withdrawn.

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