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Welding Standards-Positions for Welding Pipe
Positions for Welding Pipe For welding pipe in shops, power plants, oil refineries, and chemical plants for crude oil, gasoline, and natural gas, the same basic welding positions described previously are used. Flat Butt Weld Pipe Position…
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Weld Position- Fillet Welds
Fillet Weld Positions The advantage of the fillet-welded joint is that it’s unnecessary to prepare the edges of the plates or sheets for welding. Double fillet-welded joints are an improvement over single-fillet joints because they can withstand loads from more than one direction. Three of the…
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STANDARDS FOR WELDING POSITIONS
Standards for Welding Positions: It is very important for the Weld Inspector to know the position, or location of a joint relative to the horizon, because it may determine what welding process, methods, and techniques can be used. Welding is usually easiest when the welder can…
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NONDESTRUCTIVE TESTING – Visual Inspection (VT)
The NDT (nondestructive testing) methods are: Visual Inspection – VT Liquid Penetrant Testing – LT Magnetic Particle Testing – MT Radiographic Testing – RT Ultrasonic Testing – UT Eddy Current Testing – ET (not used in field inspection) Acoustic Emission Testing – AET (not…
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Types of Welding
Types of Welding Welding process involves joining of two metals and sometimes non-metals such as plastic There are many different types of weld, as below: Arc welding Atomic Hydrogen Welding ( AHW) Bare Metal Arc Welding (BMAW) Carbon Arc Welding (CAW) CAW-G—– Gas CAW-S—-Shielded CAW-T—–Twin Electro Gas Welding (EGW) …
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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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