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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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WELDING PROCESSES
The welding processes are not the scope of this manual, specific for welding inspections. However, only for refreshing, the most common arc welding processes used in heavy and medium carbon and alloy steel manufacturing are: SMAW: Shielded Metal Arc Welding – stick welding electrode; GMAW: Gas…
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Fillet Weld Sizes as per AWS D1.1 & AWS D1.2
Fillet Weld Sizes as per AWS D1.1 & AWS D1.2 This blog here answers your questions about: What is the tolerance for Fillet weld sizes as per AWS D1.1 ? What is the weld size tolerance? What is the required fillet weld size for structures…
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NDT Course fees
NDT Course fees depends on the type of NDT Course Selected, such a number of methods and the International standard chosen for the certification The Average course fees for General NDT course will be Rs.17500, This course fees Rs.17500 is for ASNT Level II Certification course…
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Fillet Weld Types
Fillet Weld Types: The single-fillet-welded T-joints are indicated from both the arrow side and the other side. The symbol for a double fillet-welded T-joint is also Note that the assembly of two T-joints welded pieces involves four fillet welds represented by two double-fillet-weld symbols.
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Standards and Specifications for welding
WELDING INSPECTOR KNOWLEDGES: The Welding Inspector must be a high skilled technician or engineer with a good knowledge of general industry manufacture, materials, quality systems, inspection procedures and Standards and Specifications for welding as: Standard organizations as ASTM, SAE, AISI, AWS, ASME and other institutions; …
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WELDING ELECTRODES AND PREHEAT REQUIREMENTS
The procedure requirements for welding electrodes and preheating temperatures are as follows: Welding must be done with the same process (SMAW or FCAW) used for qualification If the operator has qualified on any of the steel permitted (ASTM A36 and A588), that same operator…
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