Weld Joints

Welds are made at the junction of the various pieces that make up the weldment. The junctions of parts, or joints, are defined as the location where two or more members are to be joined. The five basic types of welding joints are listed below.

 

1). Butt Joint (B). A joint between two members lying approximately in the same plane. 

2). Corner Joint (C). A joint between two members located approximately at right angles to each other in the form of an angle. 

3). Edge Joint (E). A joint between the edges of two or more parallel or mainly parallel members. 

4). Lap Joint (L). A joint between two overlapping members. 

5). Tee Joint (T). A joint between two members located approximately at right angles to each other in the form of a T.

In order to produce weldments, it is necessary to combine the joint types with weld types to produce weld joints for joining separate members. Each weld type can not always be combined with each joint type to make a weld joint. Below table shows the welds applicable to the basic joints.

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