ASTM-E588 2003

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E588-03 Standard Practice for Detection of Large Inclusions in Bearing Quality Steel by the Ultrasonic Method

Published By	Publication Date	Number of Pages
ASTM	2003	9

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Description

ASTM E588-03

Historical Standard: Standard Practice for Detection of Large Inclusions in Bearing Quality Steel by the Ultrasonic Method

ASTM E588

Scope

1.1 This practice covers a procedure for the rating of rectangular steel sections by immersion ultrasonic techniques. Its purpose is to provide information on the content of large inclusions or clusters of small inclusions for determining the suitability of a steel lot for bearing applications. This practice in no manner defines or establishes limits of acceptability.

1.2 For this document, large inclusions are defined in ultrasonic terms as those having a reflecting area equivalent to or larger than a 1/64-in. diameter flat-bottom hole in a steel reference block of similar properties and thickness. In metallographic terms, large inclusions, defined in this way, are of approximately the same size as the smallest detectable sizes revealed by the macroscopic methods of Practice E 45. In some cases, inclusions smaller than those described previously can be detected either individually or in clusters, depending on their type, chemical composition, orientation to the ultrasonic beam and distance from the sound entry surface of the specimen.

1.3 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

bearing steel; cleanliness; nondestructive examination; steel; ultrasonic testing

ICS Code

ICS Number Code n/a

DOI: 10.1520/E0588-03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Basis of Application Summary of Practice
2	Significance and Use Interference Apparatus
3	Test Specimens Procedure
5	Keywords A1. MINIMUM REQUIREMENTS FOR THE MANUFACTURE OF SEARCH UNITS A1.1 General Characteristics A1.2 Spectrum Analysis A1.3 Beam Symmetry Characteristics
6	A1.4 Distance Amplitude Characteristics A1.5 Minimum Sensitivity of Response A1.6 Search Unit Element A1.7 Damping Characteristics A2. FABRICATION OF 10-mm HEMISPHERICALLY SHAPED HOLE SENSITIVITY BLOCK A2.1
7	A3. METHOD OF CROSS REFERENCING SYSTEM REFERENCE BLOCKS A3.1 Assurance of Proper Equipment Performance A3.2 Factors Affecting Counts from a Specimen A3.3 Method of Cross Referencing Different Reference Blocks FIG. A2.1
8	FIG. A3.1

Additional information

Standard Title	E588-03 Standard Practice for Detection of Large Inclusions in Bearing Quality Steel by the Ultrasonic Method
Published Code	ASTM
Publication Date	2003
Pages Count	9