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 13, 20222 min readPipe Line Isometric Drawings and P & ID DrawingsPipe Isometrics : Are drawings which shows details of Process pipe lines in a single line presentation , with details of pipes, pipe...
aqcinspectionApr 21, 20222 min readWELDING FOR JOISTS AND FINISHING OF MACHINING RAILSUnless otherwise authorized by the engineer, any welding to the top flange of steel members for supporting floor form joists and...
aqcinspectionMar 19, 20222 min readWeld defectsFailure investigation often uncovers facts that lead to changes in design, manufacturing, or operating practice, which will eliminate...
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...
aqcinspectionFeb 2, 20222 min readCLASSIFICATION OF WELDING ELECTRODESClassification of welding electrodes consists of a prefix letter “E” specifying an electrode, a group of two or three digits specifying...
aqcinspectionJan 18, 20222 min readWELDING PROCESSESThe welding processes are not the scope of this manual, specific for welding inspections. However, only for refreshing, the most common...
aqcinspectionJan 12, 20222 min readFillet Weld Sizes as per AWS D1.1 & AWS D1.2This blog here answers your questions about: What is the tolerance for Fillet weld sizes as per AWS D1.1 ? What is the weld size...
aqcinspectionDec 27, 20214 min readStandards and Specifications for weldingWELDING INSPECTOR KNOWLEDGES: The Welding Inspector must be a high skilled technician or engineer with a good knowledge of general...
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...
aqcinspectionDec 1, 20213 min readForgingForging is a manufacturing process involving the shaping of metal using localized compressive forces. Forging is often classified...
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...
aqcinspectionOct 4, 20213 min readNDT – Few Other MethodsHere are some rarely used NDT – Few Other Methods 1. Eddy Current Testing – ET: Eddy-current inspection uses electromagnetic induction...
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 11, 20213 min readNONDESTRUCTIVE TESTING – Visual Inspection (VT)The NDT (nondestructive testing) methods are: Visual Inspection – VT Liquid Penetrant Testing – LT Magnetic Particle Testing – MT...