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WELDING TEST COUPON PROCEDURES
Welding Procedures Follow a clear example of test coupons welding procedures for a 3G welding certification. In this 3G welding procedure the notes were taken from the same section of the AWS code that are used for the 3/8 inch limited thickness test procedure.
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Weld defects
Failure investigation often uncovers facts that lead to changes in design, manufacturing, or operating practice, which will eliminate similar failures in the future. Failures of insignificant parts can also lead to advances in knowledge and should be done objectively, as with a large structure. The…
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Welding Inspector certification
Levels of Certification AWS 1:2003 There are three levels of qualifications for welding inspector personnel. These levels are: AWI – Associate Welding Inspector; WI – Welding Inspector; SWI – Senior Welding Inspector. 1.1) Associate Welding…
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Adhesion Test on Paints by Tape Test
Painting Inspection, Adhesion Test, QC Training, QC Course X Cut Test (This Document) Cross Cut Tape Test Method A – X Cut Tape Test An X-Cut is made on the Dry Paint until the bare substrate , a…
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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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Concepts of Welding Defects and Discontinuities
Welding defects can be classified as structural discontinuities and consist of: porosity, slag inclusions, lack of fusion, cracks, etc. Porosity is gas pockets or voids in the weld metal which are free of any solid materials, such as It is formed as a result…
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