NDT services
24 September 2021


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Non destructive Testing (NDT)- Common Methods

Non destructive Testing (NDT)- Common Methods are: Visual Inspection – VT Liquid Penetrant Testing – LT Magnetic Particle Testing – MT Radiographic Testing – RT Ultrasonic Testing – UT 1.   Visual Inspection – VT: Visual inspection after welding is very useful in evaluating quality, even if…
12 April 2021


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Acceptance Criteria for Ultrasonic Testing

How to interpret Acceptance Criteria for Ultrasonic Testing as per AWS D1.1 The Requirements of Ultrasonic Flaw detector equipment as per AWS D1.1 Structural Steel Welding code is given below: Equipment: The ultrasonic equipment’s shall be pulse echo type ‘A’ scan suitable for use with transducers…
UT Inspection services
30 March 2021


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Non Relevant Ultrasonic Indications

Non relevant Ultrasonic Indications can usually be identified as one of the following: Electrical Interference Interference form the transducer (search unit) Interference form the surface of the specimen Interference caused by mode conversion of the sound beam Interference caused by the shape of the…
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.
ultra sonic testing services
2 March 2021


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Sensitivity setting for ultrasonic testing as per ISO 17640

Range and Sensitivity Setting  for Ultrasonic testing Setting of range and sensitivity shall be carried out prior to each testing in according to this procedure. The temprture difference between the time of range and sensitivity setting and time of test should be within ± 15°C. Checks…
Ultrsonic testing
12 January 2021


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Ultrasonic testing Couplants

A study on the couplant effects in contact ultrasonic testing. The primary purpose of a couplant is to provide a suitable sound path between the transducer and the test surface.Ultrasonic Testing couplants usage can be seen here A couplant must effectively wet or totally…
NDT services
8 December 2020


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Discontinuities in Ultrasonic Testing in NDT

This blog will discuss types of discontinuities that can be evaluated with the ultrasonic testing in NDT method. Discontinuities can be divided into three general categories inherent, processing and service Inherent discontinuities are usually formed when the metal is molten. Inherent wrought discontinuities relate to the…