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ASTM A275/A275M-98

Historical Revision

Standard Practice for Magnetic Particle Examination of Steel Forgings

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1.1 This test method provides a procedure for magnetic particle examination of steel forgings. The procedure will produce consistent results upon which acceptance standards can be based. This standard does not contain acceptance standards or recommended quality levels.

1.2 Only direct current or rectified alternating (full or half wave) current shall be used as the electric power source for any of the magnetizing methods. Alternating current is not permitted because its capability to detect subsurface discontinuities is very limited and therefore unsuitable.

Note 1-Guide E709 may be utilized for magnetic particle examination in the field for machinery components originally manufactured from steel forgings.

1.3 The values stated in either inch-pound or SI units are to be regarded 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 must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

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

1.5 The minimum requirements for magnetic particle examination shall conform to practice standards of Practice E1444. If the requirements of this test method are in conflict with the requirements of Practice E1444, the requirements of this test method shall prevail.

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.


SDO ASTM: ASTM International
Document Number A275
Publication Date Sept. 10, 1998
Language en - English
Page Count 7
Revision Level 98
Supercedes
Committee A01.06
Publish Date Document Id Type View
Nov. 1, 2023 A0275_A0275M-23 Revision
May 1, 2018 A0275_A0275M-18 Revision
May 1, 2015 A0275_A0275M-15 Revision
Nov. 1, 2008 A0275_A0275M-08 Revision
Sept. 1, 2007 A0275_A0275M-07 Revision
May 1, 2006 A0275_A0275M-06 Revision
Sept. 10, 1998 A0275_A0275M-98 Revision
March 1, 2023 A0275_A0275M-18R23 Reaffirmation
April 1, 2013 A0275_A0275M-08R13 Reaffirmation
April 10, 2003 A0275_A0275M-98R03 Reaffirmation