When it comes to joining high-density polyethylene (HDPE) pipes, two popular methods stand out: socket welding and butt welding. Each technique has its own set of advantages and challenges, making it crucial to understand their differences and applications. In this article, we will explore socket welding and butt welding, comparing their processes, equipment, benefits, and best use cases. This will help you make an informed decision on the best approach for your HDPE pipe projects. What Is HDPE Fusion Welding?