ASTM A578 PDF

ASTM A/AM: Standard Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications. ASTM A – acceptance standard clarification. Hello, I’ve recently begun working at an alloy manufacturing company in Japan, and one of our. Ultrasonic testing can be carried out using the following standards: • ASTM A • ASTM A (Level A – max mm;. Level B – max 60 mm; Level C – 20 mm).

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A is for steel plate and A is for alloy clad steel plate. Just to start you off in your standards selection review exercise: Close this window and log in.

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. Students Click Here Join Us! Asm values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

You’re right, the size limit is liberal. Disregard any areas not exhibiting complete loss of backwall. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.

Grid scanning shall be conducted along a continuous perpendicular line on the center. 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.

diffference between ASTMA and ASTM A – Boiler and Pressure Vessel engineering – Eng-Tips

However, they would be free to specify Level B or C if it was more astmm to their application. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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Combining values from the two systems may result in non-conformance with the standard. By joining you are opting in to receive e-mail.

Such issues are the result zstm project complexity, size, uniqueness and regulation, as well as the need for virtual team collaboration.

The test shall be performed either by direct contact, immersion, or liquid column coupling. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. Combining values from the two systems may result in non-conformance with the standard. Level B is slighly more severe, Level C is much more severe.

An equivalent standard is one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser. 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 the transducer over the depth resolution notch in the IIW or similar block.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Active view current version of standard.

Three levels of acceptance standards are provided. Link to Active This link will always route to the current Active version of the standard. Could anyone help clarify the following information? Register now while it’s still free! Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The method will detect internal discontinuities parallel to the rolled surfaces. The inspection shall be performed in an area free of operations that interfere with proper performance of the test.

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Few production environments have the luxury of ordering new equipment to replace existing machines on their shop floor. 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.

An equivalent standard is one which covers the qualification and certification of ultrasonic nondestructive examination candidates and which is acceptable to the purchaser.

All discontinuities causing complete loss of reflection shall be recorded. A is not only applicable to alloy clad plate but can also be applied to “normal” plate. Are you an Engineering professional? UT inspectors at my company normally reject plates on the basis of much smaller indications, so my superior was surprised to see such a broad allowance.

Supplementary requirements are provided for alternative procedures. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Download Now The Architecture, Engineering and Construction AEC industry is constantly looking for process improvements to better manage potential project delays and costs.

A has 3 different acceptance levels A, B, C. If I’m understanding correctly that the circle diameter is to be no smaller than 3 inches regardless of the thickness of the plate, this test seems very easy to pass as you would need quite a large indication to be outside the bounds of the circle.