January 2011

Engineering Case Histories

Case 60: Socket-weld failures

A risk analysis can determine which critical welds to repair

Sofronas, A., Consulting Engineer

A new plant was constructed; it contained over 10,000 socket welds. Socket welding (Figs. 1 and 2) is one of a number of methods used for making piping connections; they are plain-fillet welds arranged for greater ease of alignment and welding. Used for nominal pipe sizes (NPSs) 4-in. and smaller, they are favored for new projects that make use of prefabricated piping.      Fig. 1. Socket-weld nomenclature.           Fig. 2. Dye-leak trace of a 2-in. socket-weld   connection.       However, there are some downside issues with socket welds. Having only about &

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $409 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive



{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}