Welding Defect Pdf. Root fusion or penetration. I have written the topic in very easily understand language as well as I attach a PDF file of this article so that after reading you can download the PDF for your offline studies.
Plastics polyethylene PE pipes welding c onnections elec trofusion welding method. This textbook has been edited by employing as many photographs and drawings as possible in order to help the learners fully understand specific technologies of arc welding and related. Welding defects are the irregularities that are formed due to the wrong welding process or due to inexperienced welders.
The various types of external defects with their causes and remedies are listed below.
Defect when it is within the permissible range of extent according to the relevant specification. The characteristic features and principal causes of incomplete root fusion are described. Perpendicular to the weld surface. Select the electrode suitable to base metal.