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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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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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Standards for Piping Design and Inspection
Standards for Piping Design and Inspection: The original ASME B31 Code for Pressure Piping was first introduced in 1935 as the single document for piping design. In 1955, ASME began to separate the code into sections…
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What is Acoustic emission testing?
ACOUSTIC EMISSION TESTING (AET) Acoustic Emission Test is a type of Non – Destructive Test method generally used for detecting and locating imperfections in mechanically loaded structures or components. Flaw origination and progression in a stressed component can be identified by acoustic emission test method.This…
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Welding Symbols – An Introduction to Reading Drawings
Welding and Fabrication Welding is a major process which is involved in almost all fabrication industries, from general structures to aerospace fabrication. Importance of Fabrication Drawings The fabrication drawings includes welding symbols, which directs the fabricators. Provides information like What kind of bevel should be prepared for…
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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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