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WELDING EQUIPMENT
Most field welding machines are portable, that is, they are on a truck and can be moved around. The welding equipment is usually a generator driven by a gasoline-powered engine and puts a DC current that may be reversed by changing the leads. The welding…
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Welding Procedure for Overlay Weld or Cladding
This document covers the procedure to prepare a WPS – Welding Procedure Specification & PQR – Procedure Qualification Record for Overlay weld, Corrosion Resistant Overlay and Wear Resistant Overlay both. The procedure refers international standard ASME BPVC Section IX, ( American Society of Mechanical Engineers,…
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CLASSIFICATION OF WELDING ELECTRODES
Classification of welding electrodes consists of a prefix letter “E” specifying an electrode, a group of two or three digits specifying weld metal strength in ksi in the ‘as-weld’ or stress relieved condition, and a final two digits specifying type of covering, weld position…
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