[MW:4770] AWS D1.1

Hi everybody;

According to AWS D1.1 3.13.4 Fİgure 8 in structural steel projects.CJP
is written in that.Is complete penetration required in back up weld
area?.
For example;PQR specimen is welded but according to UT results , there
are defects only in backup weld area.Is it allowable?.
Is backup weld area partial penetration??

Annex K:
BACK UP WELD(Tubular Structures):The initial closing pass in a CJP
groove weld,made from one side only,which serves as a backing for
subsequent welding,but is not considered as a part of the theoretical
weld(Figures 3.8 through 3.10,Details C and D)

Serdar KOLDAS
Mechanical Engineer B.Sc.

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