Magnetic particle inspection
24 March 2021


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MAGNETIC PARTICLE TESTING EQUIPMENT

The following should be considered when selecting equipment for magnetic particle testing. Is equipment for wet or dry method? Magnetization requirements (AC or DC) Demagnetization- incorporated or separate unit? Ampere required. Line voltage requirements. Accessories needed or required. WET HORIZONTAL EQUIPMENT To obtain circular magnetization, the…
Standards on piping inspection
12 March 2021


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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…
Ultrsonic testing
9 March 2021


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ISO Standards for Ultrasonic Testing

Ultrasonic Testing In Ultrasonic Testing we use something called “Ultrasonic Vibrations” we must know two facts about a vibration: A vibration is a back and forth movement. A vibration is energy in motion A depression of a surface from its normal position is called a displacement.
acoustic emission sensor
10 February 2021


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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…
inspection on pressure vessels
2 February 2021


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Inspection of Pressure vessels

What is pressure vessel? Pressure vessel is closed container which holds liquids or gasses at a pressure greater than the atmospheric pressure. Definition of Pressure vessel as per ASME BPVC section VIII , Div 1, U1, Pressure vessel are containers for containment of pressure, either external or…
normalising
29 January 2021


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Heat Treatment of Alloys

What is an Alloy? Since metals are insoluble in water, alcohol; they are mixed with other metals in molten state which upon cooling solidifies to a solid mixture called an Alloy. This solid state mixture is also referred as a homogeneous liquid mixture. Alloys are formed by…
visual inspection on welding
21 January 2021


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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…
Welding procedure specification
21 October 2020


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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 …
Welder training in coimbatore
10 October 2020


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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…