ASTM E1570-19
Standard Practice for Computed Tomographic (CT) Examination

Standard No.

ASTM E1570-19

Release Date

2019

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM E1570-19

Scope

1.1 This practice establishes the minimum requirements for computed tomography (CT) examination of test objects using fan beam systems (systems that generate one or a few CT cross sectional slices at a time). The examination may be used to nondestructively disclose physical features or anomalies within a test object by providing radiological density and geometric measurements. This practice implicitly assumes the use of penetrating radiation, specifically X-ray and γ-ray. 1.2 CT is broadly applicable to any material or test object through which a beam of penetrating radiation passes. The principal advantage of CT is that it provides densitometric (that is, radiological density and geometry) images of thin cross sections through an object without the structural superposition in projection radiography. 1.3 There are areas in this practice that may require agreement between the purchaser and the supplier, or specific direction from the cognizant engineering organization. These items should be addressed in the purchase order or the contract. Generally, the items are application specific or performance related, or both. 1.4 Techniques and applications employed with CT are diverse. This practice is not intended to be limiting or restrictive. Refer to Guides E1441 and E1672 that provide additional information and guidance on CT fundamentals and tradeoffs in designing or purchasing a CT system, or both. 1.5 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM E1570-19 Referenced Document

• ASTM E1316 Standard Terminology for Nondestructive Examinations
• ASTM E1441 Standard Guide for Computed Tomography (CT)
• ASTM E1672 Standard Guide for Computed Tomography (CT) System Selection
• ASTM E1695 Standard Test Method for Measurement of Computed Tomography (CT) System Performance
• ASTM E2339 Standard Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE)
• ASTM E2767 Standard Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE) for X-ray Computed Tomography (CT) Test Methods
• ISO 9712 Non-destructive testing — Qualification and certification of NDT personnel

ASTM E1570-19 history

• 2019 ASTM E1570-19 Standard Practice for Computed Tomographic (CT) Examination
• 2011 ASTM E1570-11 Standard Practice for Computed Tomographic (CT) Examination
• 2000 ASTM E1570-00(2005)e1 Standard Practice for Computed Tomographic (CT) Examination
• 2000 ASTM E1570-00 Standard Practice for Computed Tomographic (CT) Examination