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  • The Vessel Pressure Testing article provides you with information about pressure vessel hydro-static testing requirements and related item in pressure vessel inspection. The requirements have been described based on ASME Code Section VIII. You need to do this test after completion of the construction process, but before the internal parts assembly and also before painting process. This content

  • 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,

  • Many characteristics of a weld can be evaluated during welding inspection - some relating to weld size, and others relating to the presence of weld discontinuities. The size of a weld can be extremely important, as it often relates directly to the weld's strength and performance. For instance, undersized welds may not withstand stresses applied during service. Depending on their size and/or

  • Have you heard of post weld heat treatment (PWHT)? Of course you have. If you are involved in welding you have definitely heard this term. But what is PHWT? When is PWHT required? What temperature should PWHT be done at? Heat treating of materials can be a very complicated subject, but when it comes to heat treatment after welding it boils down to a simple concept: PWHT is done in

  • Weldingis an essential part of operating and maintaining assets in the petroleum (upstream, midstream, downstream) and chemical processing industries. While it has many useful applications, the welding process can inadvertently weaken equipment by imparting residual stresses into a material, leading to reduced material properties. In order to ensure the material strength of a part is retained

  • Post-weld heat treatment or PWHT is a controlled process that involves reheating the metal below its lower critical transformation temperature, following a welding process. The material is then held at the elevated temperature for a predetermined period of time to alleviate residual stresses, increase the strength, increase or decrease the hardness, and reduce the risk of cracking by microstructural

  • We provide services as individualsto the project for the inspection of welding including fit-up inspection, weld visual inspection, line alignment inspection, dimension inspection of the modules. weld visual inspection of steel structure, preheat inspection, PWHT inspection, hydro test inspection, final walk down, punch list preparation, final dossier review. About the project: Satah

  • We provide the following services to all types of industries, Project Procedures writing/review PQR Qualification 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

  • Welding Inspection Procedure / Checklist This article provides you a general welding inspection proceduer. Stage 1 - Welding Inspection Prior to Welding Work Welding symbols and weld sizes clearly specified in drawing and related documents. Weld joint designs and dimensions clearly specified in drawings and related documents. Weld maps identify the welding procedure

  • 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,

  • PIPING HYDROSTATIC TESTING (OVERVIEW) Pressure source and test gauge should be upstream of check valve. If pressure source is downstream, check valve should have flapper removed or jacked?up. (Pressure must be released downstream of check valve after test completion.) Ensure that test blinds installed are the Correct thickness. Ensure that all items such as control valves, relief valves,

  • All ASME Code Stamped Section VIIIpressure vesselsmust undergo a pressure test.Cryogenic pressure vesselswith Code Stamps are no different. The requirements for this pressure testing is contained within paragraphs “UG-99 Hydrostatic Pressure Test”, “UG-100 Pneumatic Test”, and “UG-101 Proof Tests to Establish Maximum Allowable Working Pressure”.

  • Hydrostatic test Ahydrostatic testis a way in whichpressure vesselssuch aspipelines,plumbing,gas cylinders,boilersand fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified

  • Many different types of welding inspection exist to keep pipes and structures safe and secure. Countless building codes require strict adherence to project plan specifications and inspection guidelines, according to Weld Procedures. The American Weld Institute usually produces code for multiple story structures, while the American Petroleum Institute issues construction and inspection guidelines for

  • We provided services of QA/QC for the project of Al-Taweelah-Alumina refinery for the inspection of piping, preheat, PWHT, NDT, and hydro test inspection. Moreover, we provided RT review facilities as well. As API 510 certified inspector services of mechanical inspection were provided. About the project ofAl-Taweelah alumina refinery. Al-Taweelah alumina refinery is a strategic growth


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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