Butt Welding Bevels, General

Characteristic of the bevels used in butt welding is that the shape of the bevel is constant along the weld trace, for example, the opening angles of the chosen bevel types are fixed. On the other hand, of course the fixed values may be different for different welds.

Depending on differences of the plate thicknesses and in the relative location of the elements to be connected it may be necessary to have different variants of the basic geometrical pattern, for example, by considering the extra machining required for thick plates which is called chamfer. More about this can be found in paragraphs below.

The nominal geometry of parts with butt beveling may have to be changed because in this type of joints it is often necessary to have a gap before welding.