Non-Destructive Testing Mechanical (Overview)
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QA/QC SYSTEMS ISO 9000 (1994) ISO 9000 (2000) QA Procedures Construction Procedures QC Check Sheets Inspection Plan Audit Documentation Vendor Inspection Piping Hydrotesting NonDestructive Testing Calibration Welding Procedures QA/QC Job Descriptions Organisation Charts PHOTOS Video & Photos Posters Rejected/Nonconforming Work Construction Project Overview Fiber Glass Reinforced Piping Structural Steel Piling Work Earth Work Civil Work Fabrication Shop Welding Power Piping Welding Pipe Lines Post Weld Heat Treatment Nondestructive Testing Coating Work Electrical Work Instrumentation Work Static Equipment Boilers Storage Tanks HVAC NonDestructive Testing Mechanical (overview) The successful application of mechanical nondestructive testing inspection methods requires that 1 The test system and procedure be suited to both inspection objectives and types of flaws. 2 The operator has sufficient training, experience and is qualified. 3 The standard for acceptance is defined. The most commonly used non destructive testing methods used for the inspection of ferrous and none ferrous steels on construction site's comprise the following: Radiographic Testing This inspection method is used for the inspection of carbon steel for the investigation of welding defects on the surface and sub surface. The advantages of this method is that there is a permanent record for as built purposes. Approval certification is required to use this equipment on site. This inspection method can identify the following welding defects, pipe mismatch, lack of penetration lack of fill, undercut, cavities. burn through, slag inclusions, lack of fusion, porosity, cracking, tungsten inclusions. Liquid Penetrant Testing This inspection method is used for the inspection of carbon steel for the investigation of welding surface and surface cracking.The advantages of this method is that it is easy to use and very portable. Operators are required to be certified. This inspection method can identify the following defects, all type of surface cracks ,porosity, shrinkage areas, laminations. Magnetic Particle Testing This inspection method is used for the inspection of carbon steel for the investigation of welding surface and surface cracking. The advantages of this method is that it is easy to use and very portable. This method is especially suitable for surface carbon steel microcracking. Operators are required to be certified. This inspection method is can identify the following defects,subsurface defects. Ultrasonic Inspection Testing This inspection method is used for the inspection carbon steel for the investigation of welding defects. Operator approval certification is required in order to use this equipment on site. This inspection method can identify the following defects, cracks laminations, cavities, flakes pores bonding faults, inclusions, internal flaws, measure thickness and corrosion. Hardness Testing This inspection method is used for checking the hardness of the heat effected zone after post weld heat treatment of welded connections. It is normally stated in the contract specifications the hardness value this inspection method has to meet. Home Project Overview QA/QC Systems Library Shop Online Get Technical Support Training Contact
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Transcript of Non-Destructive Testing Mechanical (Overview)
QA/QC SYSTEMS
ISO 9000 (1994)
ISO 9000 (2000)
QA Procedures
Construction Procedures
QC Check Sheets
Inspection Plan
Audit Documentation
Vendor Inspection
Piping Hydrotesting
NonDestructive Testing
Calibration
Welding Procedures
QA/QC Job Descriptions
Organisation Charts
PHOTOS
Video & Photos
Posters
Rejected/NonconformingWork
Construction ProjectOverview
Fiber Glass ReinforcedPiping
Structural Steel
Piling Work
Earth Work
Civil Work
Fabrication Shop
Welding Power Piping
Welding Pipe Lines
Post Weld Heat Treatment
Nondestructive Testing
Coating Work
Electrical Work
Instrumentation Work
Static Equipment
Boilers
Storage Tanks
HVAC
NonDestructive Testing Mechanical (overview)
The successful application of mechanical nondestructive testing inspection methods requires that
1 The test system and procedure be suited to both inspection objectives and types of flaws.2 The operator has sufficient training, experience and is qualified.3 The standard for acceptance is defined.
The most commonly used non destructive testing methods used for the inspection of ferrous and none ferrous steels on construction site'scomprise the following:
RadiographicTesting
This inspection method is used for the inspection of carbon steel for theinvestigation of welding defects on the surface and sub surface. Theadvantages of this method is that there is a permanent record for as builtpurposes. Approval certification is required to use this equipment onsite.
This inspection method can identify thefollowing welding defects, pipe mismatch, lackof penetration lack of fill, undercut, cavities.burn through, slag inclusions, lack of fusion,porosity, cracking, tungsten inclusions.
LiquidPenetrantTesting
This inspection method is used for the inspection of carbon steel for theinvestigation of welding surface and surface cracking.The advantagesof this method is that it is easy to use and very portable. Operators arerequired to be certified.
This inspection method can identify thefollowing defects, all type of surface cracks,porosity, shrinkage areas, laminations.
MagneticParticleTesting
This inspection method is used for the inspection of carbon steel for theinvestigation of welding surface and surface cracking. The advantagesof this method is that it is easy to use and very portable. This method isespecially suitable for surface carbon steel microcracking. Operatorsare required to be certified.
This inspection method is can identify thefollowing defects,subsurface defects.
UltrasonicInspectionTesting
This inspection method is used for the inspection carbon steel for theinvestigation of welding defects. Operator approval certification isrequired in order to use this equipment on site.
This inspection method can identify thefollowing defects, cracks laminations, cavities,flakes pores bonding faults, inclusions, internalflaws, measure thickness and corrosion.
HardnessTesting
This inspection method is used for checking the hardness of the heateffected zone after post weld heat treatment of welded connections.
It is normally stated in the contractspecifications the hardness value thisinspection method has to meet.
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