33 0 14MB
American Society for Mechanical Engineers (ASME)
ASME SECT. V (2004 Edition)
PRESENTATION
BY: HANAFI 2007
SUBSECTION A
Article 1 Article 2 Article 4 Article 5
Article 6 : Liquid Penetrant Examination
Article 7 Article 8 Article 9 Article 10 Article 11 Article 12 Testing Article 13 Article 14 Article 15 Article 16 Article 17
: General Requirement : Radiographic Examination : Ultrasonic Examination Methods for Welds :Ultrasonic Methods for Materials : Magnetic Particle Examination : Eddy Current Examination for Tubular Products :Visual Examination : Leak Testing : Acoustic Emission Examination of Fiber-Reinforced Plastic : Acoustic Emission Examination of Metallic Vessel During Pressure : Continuous Acoustic Emission Monitoring : Examination System Qualification : Alternating Current Field Measurement Technique (ACFMT) : Magnetic Flux Leakage : Remote Field Testing (RTF) examination Method
Article 6 : Liquid Penetrant Examination
T-610 T-620 T-630 T-640 T-650 T-660 T-670 T-680 T-690
Scope General Equipment Miscellaneous Requirement Technique Calibration Examination Evaluation Documentation
T-610 Scope
Used when referenced by code section Shall be used together with Article 1; General Requirement.
T-620 General To
detect defect that open to the surface Sequence: Penetrant Application, excess penetrant removal, drying and developing T-621 Written Procedure Requirement T-621.1 Requirements Shall be performed in accordance with written procedure T-621.2 Procedure Qualification Change: Essential variable Re-qualification Non-essential variable No re-qualification
T-630 Equipment Penetrants
Emulsifiers solvents
or cleaning agents Developers Etc.
T640 MESCELLANEOUS REQUIREMENT T641 Control Contaminant Shall obtain certification. Contaminant control on a nickel base alloys, austenitic or duplex stainless steel T642 Surface Preparation As welded, as rolled, as cast or as forged. 1” on adjacent area shall be free from foreign matter Cleaning agent: detergents, organic solvents, de-scaling solutions, paint remover, degreasing and ultrasonic cleaning.
T640 MESCELLANEOUS REQUIREMENT Drying after Preparation Shall elapse minimum of time
T650
TECHNIQUE
T651
Technique (Visible + Fluorescent) X (water washable + post emulsifying + solvent removable)
T652 Technique for Standard Temperature Standard temperature: 500F (100C) ~ 1250F (520C)
T-650
TECHNIQUE
T653 Technique for Nonstandard Temperatures See Mandatory Appendix III
T654 Technique Restriction Intermixing of penetrant material is prohibited
T-660
CALIBRATION
Light meter shall be calibrated for 1 year min.
T-670 EXAMINATION
T671 Penetrant Application By dipping, brushing or spraying
T-672 Penetrant Dwell Time Shall be specified or to be demonstrated
T-673 Excess Penetrant Removal T-673.1 Water Washable Penetrant By water spray
T-670 EXAMINATION T-673.2 Post Emulsification Penetrant Lipophilic Emulsification Sequence: application, dwell time then remove.
Hydrophylic Emulsification Sequence: Pre-rinse w/ water, application, dwell time then remove.
T-670 EXAMINATION T-673.3 Solvent Removable Penetrant Sequence: Remove using dry cloth then cloth moistened with solvent. Flushing the surface with solvent is prohibited.
T-674 Drying After Excess Penetrant removal Water washable/post emulsifier : by blotting w/ clean material or circulation air (max. T=520C). Solvent removable: evaporation, blotting, wiping or forced air.
T-670 EXAMINATION
T-675
Developing
Apply ASAP w/ sufficient thickness, interval time to be specified in procedure. Color contrast only using wet developer
T-675.1 Dry Developer Application
Apply to dry surface by soft brush, powder bulb, powder gun etc.
T-675.2 Wet Developer Application
Aqueous
Developer
Apply to dry or wet surface by dipping, brushing, spraying etc. Non-aqueous
Developer
Apply only to dry surface by spraying or brushing
T-670 EXAMINATION T-675.3 Developing Time for Final Interpretation Developing time shall be specified in written practice T-676 Interpretation T-676.1 Final Interpretation Shall be made within 10-60 min. after developing time
T-676.2 Characterizing Indication(s) Close observation during application during application to characterize indication
T-670 EXAMINATION T-676.3 Color Contrast Penetrants Penetrant develop to white back coating. Excessive and in-adequate cleaning making non-relevant indication. Minimum light intensity is 100fc (demonstrated)
T-676.4 Fluorescent Penetrant Essentially the same with color contrast except: Performed in darkened area. Warm up the lamp and adaptation the operator is necessary. Black light intensity is 1000 µW/cm2 and shall be verified every 8 hr
T-677 Post Emulsification Cleaning Shall be performed when specified by procedure
T-680 EVALUATION
Shall be evaluate to the code acceptance criteria False indication may be localized Any Non-relevant indication could mask discontinuity shall be clean and re-examined.
T-690 DOCUMENTATION T-691 Recording of Indications T-691.1-2 Non-reject able and Reject able Indications shall be recorded
T-692 Examination Records Procedure, consumables type (penetrant, cleaner, developer etc.), personnel, sketch, material, lighting, date and time.
T-693 Performance Demonstration Is necessary and shall be documented
Article 6
: Mandatory Appendices
APPENDIX I – Glossary of Term for Liquid Penetrant Examination
APPENDIX II – Control of Contaminants for Liquid Penetrant Examination
APPENDIX III – Qualification Techniques for Examinations at Nonstandard Temperatures
APPENDIX I – Glossary of Term for Liquid Penetrant Examination I-610 Scope Establish term and definition as per article 6
I-620 General Requirements Adopted ASTM E 1316
I-630
Requirements
APPENDIX II – Control of Contaminants for Liquid Penetrant Examination
II-610 Scope PT on nickel base alloys, austenitic stainless steel and titanium II-640 Requirements II-641 Nickel Base Alloys Heating 50 g sample to 900C-1000C in 6” dia glass petri. Analyze the residue
II-642 Austenitic or Duplex Stainless Steel and Titanium Basically is the same
APPENDIX II – Control of Contaminants for Liquid Penetrant Examination II-643 Alternative SE 165 Annex A4 may be used II-690 Documentation Certificate of penetrant materials shall be obtained
APPENDIX III – Qualification Techniques for Examinations at Nonstandard Temperatures III-610 Scope When temperature exceed 100C – 520C III-630 Materials 2 identical aluminum comparator blocks III-640 Requirements III-641 Comparator Application
III-641 Comparator Application III-641.1-2 Temperature Less Than 500F (100C) and Greater Than 1250F (520C) PT performed on desired and standard temperature then compare the sensitivity both samples.
III-641.3 Alternate Techniques for Color Contrast Penetrant. Using photograph to compare the samples.
SUBSECTION A
Article 1 Article 2 Article 4 Article 5 Article 6
Article 7 : Magnetic Particle Examination
Article 8 Article 9 Article 10 Article 11 Article 12 Testing Article 13 Article 14 Article 15 Article 16 Article 17
: General Requirement : Radiographic Examination : Ultrasonic Examination Methods for Welds :Ultrasonic Methods for Materials : Liquid Penetrant Examination : Eddy Current Examination for Tubular Products :Visual Examination : Leak Testing : Acoustic Emission Examination of Fiber-Reinforced Plastic : Acoustic Emission Examination of Metallic Vessel During Pressure : Continuous Acoustic Emission Monitoring : Examination System Qualification : Alternating Current Field Measurement Technique (ACFMT) : Magnetic Flux Leakage : Remote Field Testing (RTF) examination Method
Article 7 : Magnetic Particle Examination
T-710 T-720 T-730 T-740 T-750 T-760 T-770 T-780 T-790
Scope General Equipment Miscellaneous Requirement Technique Calibration Examination Evaluation Documentation
T-710 Scope
Used when referenced by code section Shall be used together with Article 1; General Requirement.
T-720 General To detect the defect on or near the surface of ferromagnetic materials. The sequences: magnetize the area, apply particle and evaluate the indication Defect orientation perpendicular to the flux line will show max. sensitivity. T-721 Written Procedure Requirement T-721.1 Requirements Shall be performed in accordance with written procedure
T-721.2 Change:
Procedure Qualification Essential variable Re-qualification Non-essential variable No re-qualification
T-730 Equipment Equipments to produce magnetic flux in the part T-731 Examination Medium Particle types To be treated to impart color
Particles Wet and dry
Temperature limitation To be set by the manufacturer
T-740 MESCELLANEOUS REQUIREMENT T-741 Surface Conditioning T-741.1 Preparation
As
weld, as rolled, as cast, as forged. Machining and grinding may apply Shall be free from foreign matter 1” adjacent Cleaning method: detergents, organic solvents, de-scaling solution, paint removers, vapor degreasing, sand/grid blasting or ultrasonic cleaning. Non-magnetic coating may left on the part and demonstration to be provided.
T-741.2 Surface Contrast Enhancement
Non-magnetic coating may apply temporarily to provide visible enhancement
T-750 TECHNIQUE
T-751
Technique
Prod, longitudinal magnetization, circular magnetization, yoke and multidirectional magnetization technique
T-752 Prod Technique T-752.1 Magnetizing Procedure Portable prod contact pressed against the surface of part.
T-752.2 Magnetizing Current
Direct or rectified current
T-752.3 Prod Spacing
3–8”, prod tip shall clean. Tip material may from lead, steel or aluminum.
T-750
TECHNIQUE
T-753 Longitudinal Magnetizing Technique T-753.1 Magnetizing Procedure
The current pass through a multi-turn wrap around fixed coil to produce longitudinal magnetic field. T-753.2 Magnetizing
Field Strength
Direct
or rectified current L/D ratio of part >4 2 < L/D ratio of part