Surface and internal residual stress measurements have been made at pipeline girth welds deposited using standard field welding conditions. Four pipeline specimens of outside diameter 914mm and a wall thickness of 11 or 16 mm were used to investigate…
The PRCI Girth Weld Engineering Critical Assessment Software (GW-ECA) is a modular software program for performing engineering critical assessment (ECA) for pipeline girth welds. GW-ECA is an effective tool for developing flaw acceptance criteria for…
Fitness for purpose evaluation of defects in pipeline girth welds using full-scale fracture tests. Also includes an analysis of the effects of preheating and microalloying on hydrogen-induced cracking of both the weld metal and the…
A comprehensive survey of X80 and X100 pipeline welding technologies including the development of line pipe steels, different girth welding processes, a description of design considerations, a short review of several specific X80 and X100 line pipe…
Reviews the current status of X80 and X100 pipeline welding technology and examine the trend towards overmatching weld metals. A best practice guide will be developed for X80 welding based on existing commercially available welding technology as well…
An AUT round robin was conducted at the McDermott facility in Batam, Indonesia, to evaluate multi- and PA probe techniques for inspection of pipe girth welds under actual tropical field conditions in August 2004. In addition, to the electrical noise…
The use of an engineering critical assessment for analyzing defects in large diameter gas pipelines is presented. The assumptions and adaptations are necessary to allow the use of the British Standard PD6493 for pipeline girth welds are discussed.…
Cellulosic-covered electrodes have been used for shielded metal arc welding (SMAW) circumferential welding of line pipe over many decades. They are characterized by electrode coverings containing organic matter. Unlike low hydrogen SMAW electrodes…