ASTM A – pdf – Download as PDF File .pdf), Text File .txt) or read online. ASTM A/AM Standard Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications. ASTM A/AM: Standard Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications.
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The test shall be performed either by direct contact, immersion, or liquid column coupling. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The ratios are plotted on the graph at the position corresponding to the larger signal.
Acceptance Level B shall apply unless otherwise agreed to by purchaser and manufacturer. Active view current version of standard. Available in x578 two-axis and three-axis instrument configurations and adaptable to cover a wide range of degree nozzle sizes, from 3″ upwards, on ferritic and austenitic materials. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
The Eng-Tips staff will check this out and take appropriate action. The amplitude linearity of the apparatus to be used shall be checked by positioning the transducer over the depth resolution notch in the Aastm or similar block.
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A is not only applicable to alloy clad plate but can also be applied to “normal” plate. This year we are celebrating a company anniversary!
ASTM A – acceptance standard clarification
The holes may be drilled in the plate to be examined if they can be located without interfering with the use of the plate, in a prolongation of the plate to be examined, or in a reference block of the same nominal composition, and thermal treatment as the plate to be examined. Over the years Dantec Dynamics has supplied many solutions for the aerospace industry. Active view current version of standard Translated Standard: When this condition is observed it shall be investigated ashm by use of multiple back re?
Condition local rough surfaces by grinding. Combining values from the two systems may result in nonconformance with the speci?
Maintain this instrument setting during evaluation of the discontinuity condition. Supplementary requirements are provided for examination of clad plate and for alternative procedures. Originally published as A — 67 T. But our ultrasonic know-how goes back many years. Current edition approved Sept. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
An equivalent standard is one which covers the quali? Supplementary requirements are provided for alternative procedures. Historical Version s – view previous versions of standard Translated Version s: Red Flag This Post Please let us know here why this post is inappropriate. If the back re? Historical Version s – view previous versions of standard. Link to Active This link will always route to the current Active version of the standard.
Referring to specific customer projects several of these cases are examined to outline the advantages of using Laser Shearography for automated defect detection. I am reviewing an pressure vessel spec and i should decide to choose one of this standards to notify. The manufacturer may reserve the right to discuss rejectable ultrasonically examined material with the purchaser, the object being the possible repair of the ultrasonically indicated defect before rejection of the plate.
Supplementary requirements are provided for alternative procedures. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Where parallel path scanning is performed and recordable conditions as in 6.
Three levels of acceptance standards are provided. The holes may be drilled in the plate to be examined if they can be located without interfering with the use of the plate, in a prolongation of the plate to be examined, or in a reference block of the same nominal composition and thermal treatment as the plate to be examined.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. NozzleScan is a versatile manual scanning solution developed for the inspection of nozzle welds in. The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this speci? If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
Are you an Engineering professional? At each increment the ratio of the two signals is determined. The method will detect internal discontinuities parallel to the rolled surfaces. The method will detect internal discontinuities parallel to the rolled surfaces. A curve is then plotted showing the deviations from the above established 2: Combining values from the two systems may result in non-conformance with the standard.
Make and model of instrument, test frequency, surface condition, transducer type and frequencyand couplant. Acceptance Standards—Level B 8. It’s easy to join and it’s free.
When details of these requirements are not covered herein, they are subject to agreement between the manufacturer and the purchaser. The surface of the reference block shall be no better to the unaided eye than the plate surface to be examined. Download Now White Paper: