Welding Joint (according to BS EN ISO 15607)

1. Butt Joint




Connection between the ends or edges of two parts making an angle to one another of 135-180° inclusive in the region of the joint.


2. T Joint




Connection between the end or edge of one part and the face of the other part, the parts making an angle to one another of more than 5 up to and including 90° in the region of the joint.


3. Corner Joint




Connection between the ends or edges of two parts making an angle to one another of more than 30 but less than 135° in the region of the joint.


4. Edge Joint


A connection between the edges of two parts making an angle to one another of 0-30° inclusive in the region of the joint.


5. Cruciform Joint




A connection in which two flat plates or two bars are welded to another flat plate at right angles and on the same axis.


6. Lap Joint




Connection between two overlapping parts making an angle to one another of 0-5° inclusive in the region of the weld or welds.