Please make the clarification the Acceptance level between ASTM A Level II and Level B. Because i got the requirement from client that Ultrasonic for steel. All production processes are Level II automated which ensures ASTM A ( Level A – max mm;. Level B – max 60 mm; Level C – 20 mm). • BS 10 Dec ASTM A – Designation: A /AM – 96 (Reapproved ) Standard Acceptance Level B shall apply unless otherwise agreed to by.
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These discontinuities would be rejected to paragraph 8. Resources Few production environments have the luxury of ordering new equipment to replace existing machines on their shop floor. To me that means that you would still need to meet the requirements of 8.
A has 3 different acceptance levels A, B, C. Once they go on for more than a 3 inch path, they technically are “smaller than described in 8. Download Now The Architecture, Engineering and Construction AEC industry is constantly looking leveel process improvements to better manage potential project delays and costs.
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The Eng-Tips staff will check this out and take appropriate action. Red Flag This Post Lefel let us know here why this asym is inappropriate.
Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. It is pretty generic but it gives you the basic principal. Just to start you off in your standards selection review exercise: What if they were indications that did not affect the back reflection? A is not only applicable to xstm clad plate but can also be applied to “normal” leel. I can’t imagine a plate in the world being so terrible it would fail both at the same time, but the “in addition” words lead many to believe this is what it means.
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! Good well thought-out answer, Derek! It boils down to whether “in addition” means a plate has to fail both criteria or leveo one.
Is this to imply that a plate would have to fail 8. Are you an Engineering professional? What is being said is that if you have indications that do not exceed the requrements of 8. Click Here to join Eng-Tips and talk with other members! The total diameter of the discontinuities is 3. They would technically be “smaller than described in 8. I am reviewing an pressure vessel spec and i should decide to choose ast of this standards to notify.
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 fail 8.
diffference between ASTMA and ASTM A – Boiler and Pressure Vessel engineering – Eng-Tips
I agree that 8. Such issues are the result of project complexity, size, uniqueness and regulation, as well as the need for virtual team collaboration. Students Click Here Join Us! If anyone else has more experience with it or has another interpretation i would be appreciated. I hope this helps with your question. Or can it pass 8. Join your peers on the Internet’s largest technical engineering professional community.
I see lots of plate that leveel numerous adjacent clusters of midwall indications going on for more than a 3 inch circle.
The issue that has been coming up more and more with our clients and other inspectors is what role 8. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.
ASTM A clarification of Level B
The last statement can be difficult to interperate, but i think it is best explained with an example. If the indicatins were able to be ast, they would be acceptable. Michael, it reads to me as if you have been doing it right all along.
I have never had to work to it at all, but i would also be asking the same questions if i were to find similar indications as we described. However, I reject plates on Level B all the time due to the 8. Another point of clarification, however, is regarding the definition of “smaller than described in 8.
The distance from eachother must be greater than that of the largest indication to be acceptable. The more the merrier. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Register ast, while it’s still free! If you measure the the diameter of the discontinuities with the addition of the. Close this window and log in. You are right when you say that 7. It seems like a huge contrast between Levels A, C, and Level B regarding how strict the quality level is.
Level B is slighly more severe, Level C is much more severe.
The use of the words, “in addition” confuses many. A is for steel plate and A is for alloy clad steel plate. Thank you for helping keep Eng-Tips Forums free from inappropriate posts. I wouldnt rely on only my response. The Architecture, Engineering and Construction AEC industry is constantly looking for process improvements to better manage potential project delays and costs. This is only my interpretation of this spec.