.svg)
Butt Joint
A weld joint configuration in which two pieces of metal are placed edge-to-edge in the same plane. Butt joints may be welded with square, V-groove, J-groove, or U-groove preparations depending on material thickness and required penetration.
Butt joints represent the most fundamental configuration in structural fabrication, where two plate edges meet along a common plane and fusion creates a continuous path of material across the joint. The groove geometry, whether a simple square preparation for thin stock or a complex J-groove for thick plates, is engineered to balance penetration requirements with welding efficiency and cost.
Complete joint penetration is the typical requirement for tensile-loaded applications, demanding careful control of root pass depth and subsequent fill passes to eliminate gaps or voids. Proper fit-up, fixture design, and documented welding procedure specifications ensure that butt joints achieve the mechanical properties needed for demanding structural environments.
Price Your Project
Receive a free, custom quote for you project. Midwest Metal Fabrications can handle any job, small or large and is ISO 9001:2015 and AS9100 Certified.