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ASTM A388/A388M-2011 standard practice for ultrasonic examination of steel forgings

Standard Number:  ASTM A388/A388M-2011
Title:  standard practice for ultrasonic examination of steel forgings
Language:  English
Replacing Standard:  ASTM A388/A388M-2010

Publication Date:  2011/4/1
Execute Date:  2011/4/1
Status:  Current
International Classification for Standards (ICS)METALLURGY>>Testing of metals>>Non-destructive testing of metals
Publisher:  American Society for Testing Material (ASTM)
Number of Pages:  


This practice shall be used when ultrasonic inspection is required by the order or specification for inspection purposes where the acceptance of the forging is based on limitations of the number, amplitude, or location of discontinuities, or a combination thereof, which give rise to ultrasonic indications.

The ultrasonic quality level shall be clearly stated as order requirements.

1.1 This practice covers the examination procedures for the contact, pulse-echo ultrasonic examination of steel forgings by the straight and angle-beam techniques. The straight beam techniques include utilization of the DGS (Distance Gain-Size) method. See Appendix X3.

1.2 This practice is to be used whenever the inquiry, contract, order, or specification states that forgings are to be subject to ultrasonic examination in accordance with Practice A388/A388M.

1.3 Supplementary requirements of an optional nature are provided for use at the option of the purchaser. The supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.5 This specification and the applicable material specifications are expressed in both inch-pound units and SI units. However, unless the order specifies the applicable x201C;Mx201D; specification designation [SI units], the material shall be furnished to inch-pound units.

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 and health practices and determine the applicability of regulatory limitations prior to use.   

File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  371KB
Tile in English:  standard practice for ultrasonic examination of steel forgings

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