What does TYP mean after welding symbol?

Typ is the abbreviation of typical, which means typical, representative and symbolic. This is a common marking method on British drawings, which is equivalent to GB "x-x.xx" or "x*x.xx". This means that there will be multiple features with the same size or positional relationship on a drawing, for example, several DIAs are stamped on a part.

8.00. At this time, it is only necessary to indicate the size suffix typ of one of them, but it should be noted that the other apertures are slightly different from them.

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It may be a format.