It applies to both new construction and in-service welding. It applies to both new construction and in-service welding.This standard covers the gas and arc welding of butt, fillet, and socket welds in carbon and low-alloy steel piping used in the compression, pumping, and transmission of crude petroleum, petroleum products, fuel gases, carbon dioxide, nitrogen and, where applicable, covers welding on distribution systems. Its purpose is also to present inspection methods to ensure the proper analysis of welding quality through the use of qualified technicians and approved methods and equipment. The purpose of this standard is to present methods for the production of high quality welds through the use of qualified welders using approved welding procedures, materials, and equipment. This standard was prepared by a formulating committee that included representatives of the API, the American Gas Association (AGA), the Pipe Line Contractors Association (PLCA), the American Welding Society (AWS), and the American Society for Nondestructive Testing (ASNT), as well as representatives of pipe manufacturers and individuals associated with related industries.

Steel (See Also Carbon Steel, Stainless Steel, Structural Welding)ĪPI 1104:2013 WELDING OF PIPELINES AND RELATED FACILITIES 21ST EDITION.

Qualification: Procedures and Personnel (See Also Certification).

Flux Cored Arc Welding (See Gas Metal Arc Welding).

Education and Training (See Also Reference).Cutting (See Also Oxyfuel Welding and Cutting).

Api 1104 code book 21st edition