ASTM A pdf – Download as PDF File .pdf), Text File .txt) or read online. 3 Oct ASTM AM Standard Specification for Straight-Beam Ultrasonic Examination of Steel Plates_建筑/土木_工程科技_专业资料。. ASTM-A, ASTM-A, BS-EN and others). Reports. A test report documenting inspection and analysis results can be automatically produced at the.
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An equivalent standard a45 one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser. Active view current version of standard Translated Standard: Brenton ; forget the weld. You are a little off topic. The customer, our client, had thought that they were getting ‘clean’ plate.
While scanning you find that a discontinuity is noticed I would print a copy of that to include in the final report packge that would be delivered to the customer.
Combining values from the two systems may result in nonconformance with the specification. To me any crack is a gross defect while to others it may not be. Historical Version s – view previous versions of standard. Yasin – You are quite welcome to my opinions, and I thank you for answering the other guys and for providing those awesome images!! An equivalent standard is one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser.
Do astk have total loss of back reflection?
What type of material is this Yasin? It is informational only and not an official part of the standard; the full text of the standard itself must aztm referred to for its use and application. Nondestructive examination of the material shall be conducted in an area free of operations that interfere with proper functioning of the equipment.
Combining values from the two systems may result in nonconformance with the specification. Most users that specify this for plate ‘cleanliness’ don’t understand just how much in the way of inclusions and lamellar type defects can be in a section of plate, and still pass the A examination. Within the text, the SI units are shown in brackets. Dent ; We produce these plate.
The values stated in each system are not exact equivalents, therefore, each system must be used independently of the other. I want to reject this material but it must be based on standard.
ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. As you described ” Plate is OK as per referece standard”. I again agree with Dent: However if these plates are not subject to high stress or fatigue conditions they could very well be acceptable.
Otherwise in general in UT cracks are not acceptable normally under most standards. We had a client who bought a 6″ mm plate in order to make some gears. With a fracture already present the strength of the material is compromised and is not reliable without further analysis dependent upon the intended use of the product.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Bottom line is that ASTM is a workmanship based criteria and when dealing with cracks you need to use an ECA based on fracture mechanics.
Setup is a 2. Bring it to the attention of your supervisor and if they deem it acceptable then let them sign for the weld. Yasin Fullfil all the requirements of Reference standard. I believe requires grid scanning only and is not a very tough test to pass.
ASTM A435/A435M – 17
How deep are the cracks? The plate will be used for crane truss. Hope that helps you Q435 say that you get a reflection from the middle of the plate thickness Within the text, the SI units are shown in brackets. If the indication were to be closer to one surface or the other as opposed to being right in the mid-thickness it may be in an area that could be discarded before machining – have the engineering or design groups look at the drawings. Materials fail when a fracture grows until it passes its yield point.
What is plate to be used for? It was developed to assure delivery of steel plates free of gross internal discontinuities such as pipe, ruptures, or laminations aa435 is to be used whenever a35 inquiry, contract, order, or specification states that the plates are to be subjected to ultrasonic examination.
This standard is often employed for plate that may be specified for various different uses. I know you have a reference standard of some sort that your company wants you to establish the Sensitivity on a small SDH? Your photo did not show on the post.
Standard Specification for Straight-Beam Ultrasonic Examination of Steel Plates
It looks like your backwall signal is far too high it is off screen for the ASTM test. Active view current version of standard. A superscript epsilon e indicates an editorial change since the last revision or reapproval. A number in parentheses indicates the year of last reapproval. Are there more in the material in other places that are too small to detect with the technique you are using?
It was developed to assure delivery of steel plates free of gross internal discontinuities such as pipe, ruptures, or laminations and is to be used whenever the inquiry, contract, order, or specification states that the plates are to be subjected to ultrasonic examination.