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ASTM E709

Standard Guide for Magnetic Particle Examination

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Organization: ASTM
Publication Date: 15 March 1995
Status: inactive
Page Count: 34
ICS Code (Non-destructive testing of metals): 77.040.20
scope:

1. Scope

1.1 This guide describes techniques for both dry and wet magnetic particle examination, a nondestructive method for detecting cracks and other discontinuities at or near the surface in ferromagnetic materials. Magnetic particle examination may be applied to raw material, semifinished material (billets, blooms, castings, and forgings), finished material and welds, regardless of heat treatment or lack thereof. It is useful for preventive maintenance examination.

1.1.1 This guide is intended as a reference to aid in the preparation of specifications/standards, procedures and techniques.

1.2 This guide is also a reference that may be used as follows:

1.2.1 To establish a means by which magnetic particle examination, procedures recommended or required by individual organizations, can be reviewed to evaluate their applicability and completeness.

1.2.2 To aid in the organization of the facilities and personnel concerned in magnetic particle examination.

1.2.3 To aid in the preparation of procedures dealing with the examination of materials and parts. This guide describes magnetic particle examination techniques that are recommended for a great variety of sizes and shapes of ferromagnetic materials and widely varying examination requirements. Since there are many acceptable differences in both procedure and technique, the explicit requirements should be covered by a written procedure (see Section 21).

1.3 This guide does not indicate, suggest, or specify acceptance standards for parts/pieces examined by these techniques. It should be pointed out, however, that after indications have been produced, they must be interpreted or classified and then evaluated. For this purpose there should be a separate code, specification, or a specific agreement to define the type, size, location, degree of alignment and spacing, area concentration, and orientation of indications that are unacceptable in a specific part versus those which need not be removed before part acceptance. Conditions where rework or repair are not permitted should be specified.

1.4 This guide describes the use of the following magnetic particle method techniques.

1.4.1 Dry magnetic powder (see 8.3),

1.4.2 Wet magnetic particle (see 8.4),

1.4.3 Magnetic slurry/paint magnetic particle (see 8.4.8), and

1.4.4 Polymer magnetic particle (see 8.4.8).

1.5 Personnel Qualification--Personnel performing examination to this guide shall be qualified and certified in accordance with ASNT Qualification and Certification of NDT Personnel, or SNT-TC-1A, or MIL-STD-410 for military purposes, or as specified in the contract or purchase order.

1.6 Nondestructive Testing Agency--If a nondestructive testing agency as described in Practice E 543 is used to perform the examination, the testing agency shall meet the requirements of Practice E 543.

1.7 Table of Contents:

1.8 The numerical values shown in inch-pound units are to be regarded as the standard. SI units are provided for information only.

1.9 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

June 1, 2015
Standard Guide for Magnetic Particle Testing
This guide2 covers techniques for both dry and wet magnetic particle testing, a nondestructive method for detecting cracks and other discontinuities at or near the surface in ferromagnetic materials....
March 1, 2014
Standard Guide for Magnetic Particle Testing
This guide2 covers techniques for both dry and wet magnetic particle testing, a nondestructive method for detecting cracks and other discontinuities at or near the surface in ferromagnetic materials....
February 15, 2008
Standard Guide for Magnetic Particle Testing
This guide2 describes techniques for both dry and wet magnetic particle testing, a nondestructive method for detecting cracks and other discontinuities at or near the surface in ferromagnetic...
July 10, 2001
Standard Guide for Magnetic Particle Examination
1. Scope 1.1 This guide describes techniques for both dry and wet magnetic particle examination, a nondestructive method for detecting cracks and other discontinuities at or near the surface in...
March 15, 1995
Standard Guide for Magnetic Particle Examination
1. Scope 1.1 This guide describes techniques for both dry and wet magnetic particle examination, a nondestructive method for detecting cracks and other discontinuities at or near the surface in...
ASTM E709
March 15, 1995
Standard Guide for Magnetic Particle Examination
1. Scope 1.1 This guide describes techniques for both dry and wet magnetic particle examination, a nondestructive method for detecting cracks and other discontinuities at or near the surface in...
January 1, 1995
Standard Guide for Magnetic Particle Examination
A description is not available for this item.
September 15, 1994
STANDARD GUIDE FOR MAGNETIC PARTICLE EXAMINATION
A description is not available for this item.
October 15, 1991
STANDARD GUIDE FOR MAGNETIC PARTICLE EXAMINATION
A description is not available for this item.
January 9, 1980
STANDARD PRACTICE FOR MAGNETIC PARTICLE EXAMINATION
This recommended practice describes techniques for both dry and wet magnetic particle examination, a nondestructive method for detecting cracks and other discontinuities at or near the surface in...
January 9, 1980
Standard Practice for Magnetic Particle Examination
A description is not available for this item.

References

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