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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Thickness, grain size or microstructure of the material and nature of the equipment or method may require a higher or lower test frequency.
ASTM A – acceptance standard clarification
Students Click Here Join Us! Supplementary requirements are provided for alternative procedures. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Additionally, prior approval must be obtained if the weld repaired surface exceeds 1. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.
Defense manufacturing is all about project manufacturing and project accounting. As a result of the test by this method, the surface of plates may be expected to have a residue of oil or rust or both.
The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
A clean, easily interpreted trace pattern should be produced during the examination. An equivalent standard is one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser.
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Maintain this instrument setting during evaluation of the discontinuity condition. Use the transducers at their rated frequency. About Advertise Contact Login.
The inspection shall be performed in an area free of operations that interfere with ashm performance of the test. The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this speci? Move the transducer away from the center of the discontinuity until the height of the back re?
The method will detect internal discontinuities parallel to the rolled surfaces. Download Now Defense manufacturing is all about project manufacturing and project accounting.
The true boundaries where these conditions exist shall be established in either method by the following technique: The test shall be performed either by direct contact, immersion, or liquid column coupling. Originally published as A — 67 T.
Three levels of acceptance standards are provided. This procedure covers a758 standard and acceptance standards for straight-beam, pulse-echo, ultrasonic examination of rolled carbon and alloy steel plates.
Three levels of acceptance standards are provided. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.
Historical Version s – view previous versions of standard Translated Version s: Historical Version s – view previous versions of standard. Thank you for helping keep Eng-Tips Forums free from inappropriate posts. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of 5a78 rights, are entirely their own responsibility. Acceptance Level B shall apply unless otherwise agreed to by purchaser and manufacturer.
Three levels of acceptance standards are provided. Use a suitable couplant such as water, soluble oil, or glycerin.