![]() Pre-heating might be required for joining parts at the butt joint area.īutt welding is commonly employed in various industry sectors varying from piping systems, automotive, energy, power, etc.Īs mentioned earlier, various types of butt welding joints are named for their particular shape. ![]() Thin sheets are usually welded without any weld edge preparation, such joints are referred as square butt joint.īutt joints can be welded using arc welding, resistance welding and high energy beam welding and it can even be part of a brazing operation.Īt the start, weld pieces can be held together with a tack weld, which is a temporary joint that ensures components stay in a proper alignment while the butt welding is performed. Groove welding can be carried out using different types of welding - whether manual, mechanised or automated processes. ![]() Groove design changes depending upon full penetration or partial penetration weld requirements. Examples of types of grooves, depending upon their shape are V groove, J groove, and U groove. Groove preparation is also called weld edge preparation and is necessary for thicker metals. Thus, workpieces are nearly parallel and do not overlap, unlike lap joints, for example.ĭepending upon the thickness of the metal pieces, different types of grooves can be prepared. Importantly, in a butt joint, the surfaces of the workpieces being joined are on the same plane and weld metal remains within the planes of the surfaces. The joint is formed simply by placing two pieces of metal end-to-end and then welding along the join. National Structural Integrity Research CentreĪ butt weld is one of the simplest and versatile types of weld joint designs.Structural Integrity Research Foundation.
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