Standard Specification for Ultrasonic Examination of Forged Crankshafts

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. 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.
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Standard Specification for Ultrasonic Examination of Forged Crankshafts