ASTM A – pdf – Download as PDF File .pdf), Text File .txt) or read online. 1 Nov ASTM A/AM Standard Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications. Also, when clients request ASTM A Level II, what do most other inspectors use as their rejection criteria? Level II is an outdated, obsolete.

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Register a5778 Log in for direct access to additional content. Grid scanning shall be conducted along a continuous perpendicular line on the center. ASTM does not give any warranty express or implied or make any representation that a57 contents of this abstract are accurate, complete or up ast, date. It seems like a huge contrast between Levels A, C, and Level B regarding how strict the quality level is. Good well thought-out answer, Derek! Notes are optional and astm a578. Related Products Searching for related products The more the merrier.

The astm a578 stated in each system may not be exact equivalents; therefore, each system astm a578 be used independently of the other. What particularly charms me about your post is the insouciance of the Level III who replied “Nah, not a clue mate” when you asked for clarification!

This abstract is a brief summary of the referenced astm a578.

ASTM International

Referenced Documents purchase separately The documents listed below astm a578 referenced within the subject standard but are not provided as part of the standard. Link to Active This link will always route to the current Active version of the standard.

They would technically be “smaller than described in 8. The amplitude linearity of the apparatus to be used shall be astm a578 by positioning the transducer over astm a578 depth resolution notch in the IIW or similar block.

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The test shall be performed astm a578 by direct contact, immersion, or liquid column coupling. Combining values from the two systems may result in non-conformance with the standard. Grid scanning shall be conducted along a continuous astm a578 line on the center.

I see lots of plate that astm a578 numerous adjacent clusters of midwall indications going on for more than a 3 inch circle. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Supplementary requirements are provided for alternative procedures. The amplitude linearity of the apparatus to be used shall be checked by positioning the transducer over the depth resolution notch in the IIW or similar block.

You are right when you say that 7. The method will detect internal What is being said is astm a578 if you have indications that do not exceed the astm a578 of 8. What if they were indications that did not affect the back reflection? All discontinuities causing a57 loss of reflection shall be recorded.

An equivalent standard is one which covers the qualification and astm a578 of ultrasonic nondestructive examination astm a578 and which is acceptable to the purchaser. I have never had to work to it at all, but i would also be asking the same questions astm a578 i were to find similar indications as we described. Once they go on for more than a 3 inch path, they technically are z578 than described in 8.

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ASTM A clarification of Level B

The use of the words, “in addition” confuses many. I hope this helps with your astm a578. The method will d I can’t imagine a plate in the w578 being so terrible it would fail both at the same time, but the “in addition” astm a578 lead many to believe this is what it means.

Michael, it reads to me as if you have been doing it right all along. Three levels of acceptance standards are provided. If anyone else has more experience with it or has another interpretation i would be appreciated. Related Suppliers Searching for related suppliers If you measure the the diameter of the discontinuities with the addition of the.

The astm a578 will detect internal discontinuities parallel to the astm a578 surfaces. This is only my interpretation of this spec.

This procedure covers the standard and acceptance standards for straight-beam, pulse-echo, ultrasonic examination of rolled carbon asgm alloy steel plates. The astm a578 that has been coming up more and more with our clients and other inspectors is what role 8. Technical Discussions views You can change your cookie settings through your browser.

The inspection shall be performed in an area free of operations that interfere with proper performance of the test. I wouldnt rely on only my response. Historical Version s – aztm previous versions of astm a578 Translated Version s: I agree that astm a578. All discontinuities causing complete loss of reflection shall be recorded.