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ASTM International - ASTM A966/A966M-07

Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current

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Organization: ASTM International
Publication Date: 1 May 2007
Status: inactive
Page Count: 6
ICS Code (Non-destructive testing of metals): 77.040.20
scope:

1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which acceptance standards can be based. This practice does not contain acceptance limits or recommended quality levels.

1.2 Only alternating 50-60 cycle current shall be used as the electric power source for any of the magnetizing methods. The ability to detect subsurface discontinuities is very limited when using an alternating power source, and therefore the test surfaces should be in the final thermally treated and finish machined condition.

1.3 When subsurface indications are sought in forgings, then dc magnetization in accordance with Test Method A 275/A 275M should be used.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Unless the order specifies the applicable "M" specification designation [SI units], the inch-pound units shall be used.

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.

Document History

March 1, 2020
Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
May 1, 2015
Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
March 1, 2008
Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
ASTM A966/A966M-07
May 1, 2007
Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This practice covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
March 1, 2006
Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This test method covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
September 10, 1996
Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This test method covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
September 10, 1996
Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current
1.1 This test method covers a procedure for the magnetic particle examination of steel forgings using alternating current as the power source. The procedure will produce consistent results upon which...
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