ASTM-E709 2008

$63.38

E709-08 Standard Guide for Magnetic Particle Testing

Published By	Publication Date	Number of Pages
ASTM	2008	41

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Categories: 77.040.20 - Non-destructive testing of metals, ASTM

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Description

ASTM E709-08

Historical Standard: Standard Guide for Magnetic Particle Testing

ASTM E709

Scope

1.1 This guide 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 materials. Magnetic particle testing 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 testing.

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 testing, 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 testing.

1.2.3 To aid in the preparation of procedures dealing with the examination of materials and parts. This guide describes magnetic particle testing 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 is 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 8.4),

1.4.2 Wet magnetic particle (see 8.5),

1.4.3 Magnetic slurry/paint magnetic particle (see 8.5.7), and

1.4.4 Polymer magnetic particle (see 8.5.8).

1.5 Personnel Qualification—Personnel performing examinations in accordance with this guide should be qualified and certified in accordance with ASNT Recommended Practice No. SNT-TC-1A, ANSI/ASNT Standard CP-189, NAS 410, 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 nondestructive testing agency should meet the requirements of Practice E 543.

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

1.8 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.

Keywords

dye; evaluation; examination; fluorescent; inspection; magnetic particle; nondestructive; testing; Billets; Blooms; Castings; Cracking; Defects–metals/alloys; Discontinuities–metals/alloys; Dry magnetic particle inspection; Ferromagnetic material/testing; Forgings; Inclusions; Laps; Magnetic particle inspection; Metals and metallic materials; Steel; Surface analysis–metals/alloys; Welding/welds; Wet magnetic particle examination

ICS Code

ICS Number Code 77.040.20 (Non-destructive testing of metals)

DOI: 10.1520/E0709-08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Summary of Guide
3	Significance and Use Equipment FIG. 1
4	Examination Area FIG. 2
5	Magnetic Particle Materials FIG. 3
6	FIG. 4
7	Part Preparation
8	Sequence of Operations Types of Magnetizing Currents
9	Part Magnetization Techniques TABLE 1
11	FIG. 5
12	FIG. 6 FIG. 7
13	Direction of Magnetic Fields FIG. 8 FIG. 9
14	Magnetic Field Strength FIG. 10 FIG. 11
15	Application of Dry and Wet Magnetic Particles FIG. 12
16	Interpretation of Indications Recording of Indications
17	Demagnetization Post Examination Cleaning
18	Process Controls TABLE 2
19	TABLE 3
21	FIG. 13
22	Procedures Acceptance Standards Safety Precision and Bias Keywords FIG. 14
23	A1. TYPICAL MAGNETIC PARTICLE INDICATIONS A1.1 A1.2 FIG. A1.1
24	A1.3 A1.4 FIG. A1.2 FIG. A1.3
25	FIG. A1.4 FIG. A1.5 FIG. A1.6
26	FIG. A1.7 FIG. A1.8
27	FIG. A1.9 FIG. A1.10
28	FIG. A1.11 FIG. A1.12 FIG. A1.13
29	FIG. A1.14 FIG. A1.15 FIG. A1.16
30	FIG. A1.17 FIG. A1.18 FIG. A1.19
31	FIG. A1.20 FIG. A1.21
32	FIG. A1.22 FIG. A1.23
33	FIG. A1.24 FIG. A1.25
34	X1. MAGNETIZATION OF OILFIELD TUBULARS X1.1 X1.2 Circular Magnetism X1.3 Longitudinal Magnetization FIG. A1.26 TABLE X1.1
35	X2. REFERENCE STANDARD NOTCHED SHIMS FOR MAGNETIC PARTICLE TESTING IN ACCORDANCE WITH AS 5371 X2.1 FIG. X2.1
36	X3. EMPIRICAL FORMULAS X3.1 X3.2 FIG. X2.2 FIG. X2.3
38	X4. DEVICES FOR EVALUATION OF MAGNETIC PARTICLE EXAMINATION MATERIALS X4.1 Scope X4.2 Magnetic Stripe Cards X4.3 Characteristics X4.4 Use of the Magnetic Stripe Card for Magnetic Particle Material Evaluation X4.5
39	X4.6 Precautions X5. CENTRIFUGE TUBES X5.1 FIG. X4.1
40	FIG. X5.1
41	FIG. X5.2

Additional information

Standard Title	E709-08 Standard Guide for Magnetic Particle Testing
Published Code	ASTM
Publication Date	2008
Pages Count	41
ICS Codes	77.040.20 - Non-destructive testing of metals

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ASTM-E709 2008

ASTM E709-08

Historical Standard: Standard Guide for Magnetic Particle Testing

ASTM E709

PDF Catalog

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