aqcinspectionAug 5, 20221 min readRT acceptance CriteriaRT ACCEPTANCE CRITERIA AS PER ASME SEC VII DIV-1 for PRESSURE VESSEL RT ACCEPTANCE CRITERIA AS PER ASME SEC IX for TEST Pieces WQC/PQR...
aqcinspectionJun 20, 20222 min readMaterial TestingMaterial testing Mechanical testing have been designed to test several weld properties.Few other material testing techniques are Charpy...
aqcinspectionMay 31, 20224 min readWelding SafetyWelding Safety with Gas Cylinders On an oxyacetylene system there will be three types of valves, the cylinder valve, the regulator valve,...
aqcinspectionMay 24, 20222 min readSafety and Precautions during weldingAs in any welding process, safety precautions are very important. All information relating to the safe operation of the welding equipment...
aqcinspectionApr 29, 20222 min readDissimilar metal in TIG Welding processWhy use this TIG welding process: TIG Tungsten Inert Gas otherwise called as GTAW- Gas Tungsten Arc Welding , Involves melting the metal...
aqcinspectionMar 19, 20222 min readWeld defectsFailure investigation often uncovers facts that lead to changes in design, manufacturing, or operating practice, which will eliminate...
aqcinspectionFeb 21, 20226 min readWELDING EQUIPMENTMost field welding machines are portable, that is, they are on a truck and can be moved around. The welding equipment is usually a...
aqcinspectionFeb 8, 20222 min readWelding Procedure for Overlay Weld or CladdingThis document covers the procedure to prepare a WPS – Welding Procedure Specification & PQR – Procedure Qualification Record for Overlay...
aqcinspectionDec 24, 20213 min readWELDING ELECTRODES AND PREHEAT REQUIREMENTSThe procedure requirements for welding electrodes and preheating temperatures are as follows: Welding must be done with the same process...
aqcinspectionNov 20, 20214 min readHardness Test- typesRockwell Superficial Hardness Test: The Rockwell Superficial Hardness Tester is used to test thin materials, lightly carburized steel...
aqcinspectionOct 26, 20214 min readHardness TestingHardness is the resistance of a material to localized deformation. The term can apply to deformation from indentation, scratching,...
aqcinspectionOct 19, 20213 min readWelding of Stainless SteelsGeneral Concepts: Stainless steels, resumed here in a general way, are defined as steel alloys, where the chromium content ranges from...
aqcinspectionSep 21, 20212 min readRecommendations for WeldingWe would see about Recommendations for Welding of Structural Steel as per AWS D1.1 , 2020 revision Groove Weld: (Clause 4.4.1) Weld...
aqcinspectionSep 11, 20212 min readSTANDARD SPECIFICATIONS FOR WELDING PROCEDURESThe sole purpose of welding procedures is to describe the details that are to be followed in the welding of specific materials or type of...
aqcinspectionSep 4, 20212 min readWelding Standards-Positions for Welding PipePositions for Welding Pipe For welding pipe in shops, power plants, oil refineries, and chemical plants for crude oil, gasoline, and...
aqcinspectionAug 26, 20212 min readWeld Position- Fillet WeldsFillet Weld Positions The advantage of the fillet-welded joint is that it’s unnecessary to prepare the edges of the plates or sheets for...
aqcinspectionAug 21, 20212 min readSTANDARDS FOR WELDING POSITIONSStandards for Welding Positions: It is very important for the Weld Inspector to know the position, or location of a joint relative to the...
aqcinspectionJul 13, 20211 min readEquipments and materials for NDT lab set upRadiography Testing: 1) X-Ray tube head -450 kV capacity ( only if construction of a exposure room with approval from government is...
aqcinspectionMay 4, 20212 min readWelding Procedure Specification- WPS for Overlay or claddingWelding Procedure Specification- WPS This document details, how to qualify a welding procedure specification-wps for weld metal overlay /...
aqcinspectionApr 10, 20212 min readWhat are the tasks to be considered during Welding Operations?TASKS DURING WELDING OPERATIONS Welding inspection during welding operations should include all the audit parameters to verify that the...