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  • Radiographic Testing (RT)is anondestructive examination (NDE)technique that involves the use of either x-rays or gamma rays to view the internal structure of a component. In the petrochemical industry, RT is often used to inspect machinery, such aspressure vesselsand valves, to detect for flaws. RT is also used to inspect weld repairs. Compared to other NDE techniques,

  • Construction Codes & Significance Postweld heat treatment on the weld of ASTM A335 P11 seamless pipes. The heat treatment is performed by a flexible ceramic pad heater. Seamless pipes made of low-alloy steel ASTM A335 Grade P11 can be used for power piping (ASME B31.1) or process piping (ASME B31.3) at elevated temperatures. After joining the two ASTM A335 P11 pipes together by a welding

  • Ageing or Precipitation hardeningA low temperature heat treatment designed to produce the correct size and distribution of precipitates, thereby increasing the yield and tensile strength. It is generally preceded by a solution heat treatment. For steel, the temperature may be somewhere between 450-740 degree C, an aluminium alloy would be aged at between 100-200°C. Longer times and/or higher

  • In addition to producing high quality radiographs, theradiographer must also be skilled inradiographic interpretation .Interpretation of radiographs takes place in three basic steps: (1) detection, (2)interpretation , and (3)evaluation . All of these steps make use of the radiographer'svisual

  • Welding Procedures are the guidelines used to perform a weld. They are designed to provide a record of the welding variables used and the inspection results obtained during the procedure qualification test. They can also provide the instructions for the welder to use in production in order to produce acceptable welds. Usually welding procedures are developed in accordance with a welding code or standard,

  • Visual Inspection (VT) Visual inspection is a non-destructive testing (NDT)weld quality testing processwhere a weld is examined with the eye to determine surface discontinuities. It is the most common method of weld quality testing. Advantages of nondestructive weld quality testing: Inexpensive (usually only labor expense) Low cost equipment No power requirement Quick

  • Welding processes can introduce contaminants and metallurgical defects into a component. Applied Technical Services offers NDT welding inspection on structures, both ferrous and non-ferrous, or components to detect surface and sub-surface defects and discontinuities. In order to meet quality and safety standards, welds are commonly required to withstand load and stress conditions.

  • Preheating involves heating the base metal, either in its entirety or just the region surrounding the joint, to a specific desired temperature, called the preheat temperature, prior to welding. Heating may be continued during the welding process, but frequently the heat from welding is sufficient to maintain the desired temperature without a continuation of the external heat source. The interpass temperature,

  • To ensure the satisfactory performance of a welded structure, the quality of the welds must be determined by adequate testing procedures. Therefore, they are proof tested under conditions that are the same or more severe than those encountered by the welded structures in the field. This page contains visual inspection tips. The following pages contain inspection methods for GMAW and physical weld

  • One of the most common uses of nondestructive testing (NDT) is the examination of weld integrity. This is because welds are extraordinarily common in critical industrial applications across the world. The ability to inspect welds nondestructively is essential, as destroying one for testing necessitates replacing it with a new, untested weld. As such, there has been significant technological development

  • Q: We are expanding our job shop and adding the capability to work with much heavier structures, including considerably thicker materials. Some of these jobs specify high-strength materials and preheating. Some of our welders claim preheating is performed to remove water from the steel. Can you expand on this? A: This is an excellent topic for discussion! Preheating and postweld stress relief are

  • We provided the inspection activities for the duvha power plant boiler explosion situation. the inspection activities includefit-up inspection, welding inspection, dimension inspection, pre-installation inspection and installation inspection as well. The procurement process followed the requirements of the Preferential Procurement Policy Framework Act (PPPFA) and the qualifying supplier was

  • We all have probably heard about destructive testing in welding. After all, those of us who are certified welders or work at a place that needs to certify welding procedures, have at one time or another heard about a bend test, or a charpy v-notch test. However, there are several types of non-destructive testing available. As you can imagine, performing destructive testing on

  • Radiographic Testing Procedure This content provides you with a example Radiographic Testing Procedure. This is a general and sample RT procedure and you need to modify it to meet your project specifications. 1. SCOPE: 1.1-This Procedure describes the general requirements for radiography examination (RT) according to related approved weld map for the metallic welding and casting

  • Chromium carbides form in stainless steels along either side of a weld. These carbides form where the metal is in the temperature range of approximately 1100 – 1500 F. Since the weld pool is well above this temperature and the base metal is below it, there is always some part of the welded part which was in that temperature range. The quantity of carbides which form depends on several factors,


we provide the following services to all types of industries,

  • Project Procedures writing/review
  • PQR Qualification<br /><b>Notice</b>:  Undefined index: imgalt in <b>/home1/abicaecc/public_html/search.php</b> on line <b>420</b><br />
  • WPS Qualification
  • WPQ welder qualification
  • Material receiving
  • spool release
  • Fit-up inspection
  • Preheat inspection
  • welding inspections
  • NCR issuing and closing
  • NDT witness
  • RT film review
  • PWHT inspection
  • Hydro test package review
  • Hydrotest inspection
  • Reports review
  • Site inspection
  • Walk down of the project
  • Punch list creation 
  • Punch list closing
  • Dossier review
  • Dossier submission
  • Final handover of Project

 


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