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Brazing Procedure Qualification
Brazing is a process of joining dis-similar metal, where as welding is a process of joining similar metal. In this blog we can see about some of the details in Brazing procedure qualification Brazing involves melting of filler metal and flowing over the joining surfaces….
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Welding Procedure Specification- WPS for Overlay or cladding
Welding Procedure Specification- WPS This document details, how to qualify a welding procedure specification-wps for weld metal overlay / cladding / surfacing , for both corrosion resistance overlay and wear resistance overlay welding. The reference standard selected for the purpose of qualification of cladding procedure and…
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What are the tasks to be considered during Welding Operations?
TASKS DURING WELDING OPERATIONS Welding inspection during welding operations should include all the audit parameters to verify that the welding is performed to the procedures. Such tasks may include the following: Quality Assurance Establish a quality assurance and quality control team with the welding organization. Quality control items to assess: …
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Preheating in Welding Procedure Specification
Preheating in Welding Procedure Specification: Preheating is the act of heating the base metal before starting to weld. It is considered very essential in high thickness materials, Cr-Mo Steels & HSLA High Speed Low Alloy steels, etc… Here we are going to answer the below topics …
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Welder Qualification Certificate
Welding Welding – Process of joining similar metals (or thermoplastic). By heating them to suitable temperature May or may not require pressure May or may not require Filler metal Brazing -Process of joining dis-similar metals. By Melting and pouring the filler metal and pouring…
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Welding Inspections- All you need to know about Metals
Welding is a process of joining similar metals, i.e. Metals with same base content and similar properties or melting point.There are different types of welding methods based on the process of welding. Generally it involves heating of the metal and fusing them, with or…
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Ultrasonic testing of Weld Joints
Ultrasonic Testing involves utilization of ultrasonic sound waves to detect defects inside a material. The welded joints have possibilities of defects inside the welds , or sometime near the weld zone. The few of defects that are often found in welds are Porosity, Cracks, Slag Inclusion,…
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What is stud welding?
Studs are welded to steel structures for the purpose of anchoring. They are used as anchoring for Concretes, Insulation etc., The studs may be threaded or headed bolts.The stud is inserted into the chuck of the welding…
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