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Homepage>ASTM Standards>ASTM A0503_A0503M-15R20 - Standard Specification for Ultrasonic Examination of Forged Crankshafts
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Released: 2020-03-17

ASTM A0503_A0503M-15R20

Standard Specification for Ultrasonic Examination of Forged Crankshafts

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Standards number:ASTM A0503_A0503M-15R20
Standard number:A0503_A0503M-15R20
Keywords:contact method; continuous grain flow; crankshafts; forged steel; slab forged; ultrasonic examination;

1.1 This is an acceptance specification for the ultrasonic inspection of forged steel crankshafts having main bearing journals or crankpins 4 in. [100 mm] or larger in diameter.

1.2 This specification covers the testing equipment required and the test procedure to be followed, and it defines the critical and noncritical areas and limits of acceptance.

1.3 This specification is intended to cover both continuous grain flow (CGF) crankshafts for medium and high speed diesel engines as well as solid (slab) forged crankshafts for other applications.

1.4 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standard. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.5 Unless the order specifies the applicable “M” specification designation, the inch-pound units shall be used.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.