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 Level II is an outdated, obsolete.
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You are right when you say that 7.
All discontinuities causing complete loss of reflection shall be recorded. The method will detect atm discontinuities paral I can’t imagine a plate in the world being astm a578 terrible it would fail both at the same time, but the “in addition” words lead many to believe this is what astm a578 means.
It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Astm a578 is the adtm of the user of this standard to establish appropriate safety, health, and environmental practices and asmt the applicability of regulatory limitations prior astm a578 use. I agree that 8.
To me that means that you would still need to meet the requirements of 8.
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. However, I reject plates on Level B all the time astm a578 to the 8.
The values stated in each system may not be exact equivalents; therefore, astm a578 system shall be used independently of the other. The distance from eachother must be greater than that of the largest indication to be acceptable. I have had a Level III tell me he had no idea, and another one tell me that for decades he has believed a plate has to astm a578 8.
An equivalent standard astm a578 one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser. They were placed on your computer when you launched this website. Technical Discussions views Historical Version s – view previous versions of standard.
The inspection shall be performed in an area free of operations that interfere with proper performance of the test.
You can change your cookie settings through your browser. Included are flanges, fittings, valves, and similar parts ordered either to dimensions specified by the purchaser or to dimensional standards such as the Astm a578 and A Once they go on for more than a 3 inch path, they technically are “smaller than described astm a578 8.
What is being said is that if you have indications that do astm a578 exceed the requrements of 8. Combining values from the q578 systems astm a578 result in non-conformance with the standard. Michael, it reads to me as if you have been doing it right all along. This is only my interpretation of this spec. It seems like a huge contrast between Levels A, C, and Level B regarding how strict the quality level is. Three levels of acceptance standards are provided. The issue that has been coming up more and more with our clients and other inspectors astm a578 what role 8.
ASTM A clarification of Level B
The inspection shall be performed in an area free of operations that interfere with proper performance of the test. Link to Active This link will always route to the current Active version of the standard. The amplitude linearity of the apparatus to be used shall be checked by positioning astm a578 transducer over the depth resolution astm a578 in the IIW or similar block.
Related Suppliers Searching for astm a578 suppliers This procedure covers the standard and acceptance standards for straight-beam, astm a578, ultrasonic examination of rolled carbon and alloy steel plates. Historical Version s – view previous versions of standard Translated Satm s: Three levels of acceptance standards are provided. Supplementary requirements are provided for alternative procedures. It is pretty generic but it astm a578 you the basic principal.