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NDT Consultancy Services Inc.

S.B Prasad founded NDT Consultancy Services in 2006 after more than sixteen (16) years of technical and management experience in Quality Control


United States

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NDT Training, Consulting and Auditing and Inspection

S.B Prasad founded NDT Consultancy Services in 2006 after more than sixteen (16) years of technical and management experience in Quality Control /Assurance and NDE with Steel Industries, Oil and Gas Equipment Manufacturers, and Inspection Industries. NDT Consultancy Services Inc., an ISO 9001-2015 Certified Company and a Texas Corporation with a date of incorporation of 4th January 2008.  It is a Vocational Institute, and the school offers vocational training to assist students in having better in the field of Non-Destructive Testing (NDT). Texas Workforce Commission licensed this school - Career Schools and Colleges (School # S4926) on 30th March 2016.

Mr. S.B. Prasad is a Mechanical Engineer. He is a professional ASNT/ ACCP (PE/GE) NDT Level III in ET, MT, ML, PT, LT, RT, UT, VT (Cert. # 105121), API Authorised Inspector 510, 570, 580 & 653,  ASNT ISQ-UTT, Certified Lead Auditor ISO 9001-2000, CSWIP 3.1, CWI and Radiation Safety Officer,

S.B. Prasad (Director Technical)

Professional Society Membership includes:

  • ASNT ( American Society For Non-Destructive Testing)
  • AWS ( American Welding Society)
  • TWI ( The Welding Institute)

Major Online System Establishment for Pipeline Inspection

NDT System Established under my guidance from system selection to installation & final approval from Third Party Inspection Agencies

  • 12 Channel Ultrasonic System for Longitudinal Saw pipes with 25 mm HAZ testing of M/s Electronics & Engineering Co. Mumbai. India.
  • 26 Channel Ultrasonic System for Spiral Saw pipes for the testing of Weld / HAZ / Body Testing of M/s Electronics & Engineering Co. Mumbai India
  • Real-Time Radioscopy System of M/s Philips Germany for 100% welds Inspection with Image Processing System of M/s V.J. Tech USA & M/s Alfa X-ray Technology Mumbai India.
  • 32 Channel Ultrasonic System for Plate Testing up to 4000 mm width with 100% Grid Scanning by Oscillating probes & 50 mm 100% Edge Scanning by Straight probes movement.
  • 225 KVA constant potential dual focus system for Real-Time Radiography of longitudinal carbon steel pipes, thickness up to 25 mm & diameter from 18"-56" of M/s Pantak Ltd.UK.
  • Radioscopic system approval by Engineers India Ltd. In place of film radiography for ASTM 672 Class 16 and 22 pipes.
  • 16 Channel Ultrasonic System for Longitudinal Saw pipes at SAW Pipes USA Inc. Baytown TX. USA
Products & Services
Eddy Current Testing

This NDT method is based on the principles of electromagnetic induction. The flow of electricity, under certain circumstances, can cause magnetism. Magnetism under certain circumstances causes the flow of electricity. When an alternating current (AC) is passed through a coil, a changing magnetic field is generated.  

This method can be applied to tubing, sheets, cylinders and coatings and provides a means for measuring conductivity, detecting discontinuities, and determining the thickness of coating or plating on articles. Since a continuous indication is a part of the basic testing system, automatic production testing is particularly feasible.

The signal indicating the status of the material is obtained almost instantaneously. There is no requirement for allowing time for the indication to develop.  The testing procedures are readily adaptable to go/no go situations. The method is sensitive to many physical and metallurgical variables- thus it has wide application provided the variables, not of interest can be eliminated or suppressed. The only link between test equipment and the item under test is a magnetic field – there is no possible harm to the item. The equipment, for the most part, can be self –powered and there for a portable.

The success of the testing procedure is directly related to the skill of the operator in suppressing variables, not of interest. The procedures are applicable to conductive materials only. The depth of penetration is restricted to a depth of less than one-quarter inch in standard cases. Testing of ferromagnetic metals is sometimes difficult.

NDT Consultancy Services provides inspection in ECT for:

  • Crack detection
  • Conductivity measurement 
  • Thickness measurement 

 Applicable Codes for ECT 

 ASME Section V Article 8 – ECT of Tubular Products

ASME Section V Article 23- Electromagnetic Examination 

Industries where ECT  is used:

  • Nuclear Industries
  • Oil Industries
  • Refinery and Petrochemical Industries
  • Steel Industries
  • Aerospace Industries

Equipment tested with ECT Method:

  • Off - shore platforms
  • Construction and maintenance of pipelines
  • PPressure vessels
  • Above storage Tanks                                       
  • Aerospace vehicles
  • Power generation equipment
  • Research facility
Visual and Optical Testing

 is one of the essential inspection method of non-destructive testing. In Visual Inspection, the probing medium is light the portion of the electromagnetic spectrum with a wavelength of 380-770 nm that is capable of exiting the human retina. Visual testing requires adequate illumination of the test surface and proper eye-sight of the person performing this inspection.

Visual Testing is performed as direct visual testing, remote visual testing and translucent visual testing. Various mechanical and optical aid such as mirror, magnifier, bore scope, fiber scope and videos scopes are used when human eye get limitation. Light lens systems such as bore scopes and fiber scope allow remote surfaces to be examined which permit the introduction of the device into very small access holes detect minor discontinuities and most of the equipment is capable to make permanent record also.

NDT Consultancy Services provides testing in Visual and Optical Inspection (VT) services;

  • Visual Welding Inspection
  • Weld Inspection Audits as per approved WPS / PQR or per Engineering Specification
  • Visual Weld Accept-Reject as per applicable Codes/Specification

Above services will be provided through personnel certified as



ASNT Level II as per SNT-TC-1A


Applicable Code/Specification used for Visaul and Optical Examination

ASME Section V, 2004 Edition

ASME Section I, Boilers

ASME Section VIII, Pressure Vessels

ASME B31.1, Power Piping

ASME B31.3, Petrochemical Piping


AWS D1.1

Application of Visual and Optical Examination Industries

  • Nuclear Industries
  • Ship Building Industries
  • Oil Industries
  • Refinery and Petrochemical Industries
  • Steel Industries
  • Aerospace Industries


  • Off - shore platforms
  • Construction and maintenance of pipelines
  • Pressure vessels
  • Bridges
  • Cranes Tanks and tankers
  • Aerospace vehicles
  • Power generation equipment
  • Research facility
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