What Are the Different Types of Beveling?

Single-B beveled ends are the most commonly used beveled end style used in pipeline applications. This type of beveled end should be approximately 40 to 60 degrees and processed by a beveling machine.

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Single-V beveled ends are more costly than square butt joints, but this style is much more durable. The primary disadvantage of this beveled end is that it&#;s easy to deform the angle.

Bevelling is a process in which the shape of two pieces of metal is altered, usually by removing the edges, before welding takes place. It is a vital stage in the manufacture of pipes and construction of pipelines because it creates stronger welds that last longer, can support more weight and are capable of withstanding higher levels of fatigue. Bevelling produces an angled surface at the end of a pipe by removing metal through machining, cutting with water jet or flame, or grinding.

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Stronger, more robust welds

In pipeline construction every weld is a critical piece on which the integrity of the entire structure depends. Operators are hugely invested in ensuring welds are strong, robust and meet stringent project specifications, particularly in complex sections such as spool pieces and risers. Bevelling pipe ends helps to ensure that these welds are as strong as possible but it can be slow and hold up production when time is critical. Both speed and quality are important &#; bevelling must take place rapidly so that bottlenecks do not occur, yet it must meet high specifications to ensure welds are strong.

Understanding pipeline geometry

Most industrial bevelling processes leave the metal with one of the shapes below, which have varying levels of complexity. To make sure bevelling is effective, operators must have a thorough understanding of pipe bevel geometry so that the best possible fit-up can be achieved before welding. We wrote about the importance of understanding pipe bevel geometry.

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