ASTM E127-20
Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks

Standard No.

ASTM E127-20

Release Date

2020

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM E127-20

Scope

1.1 This practice covers a procedure for fabrication and control of metal alloy reference blocks used in ultrasonic examinations that contain flat bottom holes (FBH). 1.2 These blocks may be used for checking the performance of ultrasonic examination instrumentation and search units and for standardization and control of ultrasonic examination of metal alloy products. 1.3 The reference blocks described are suitable for use with either the direct-contact method or immersion pulse-echo ultrasonic methods. 1.4 Standard sets are described for flat surface sound entry; the Basic set, Area-Amplitude set, and Distance Amplitude set. 1.5 The requirements for FBH fabrication may be applied to round bar/billet reference standards and reference standards fabricated from other product forms. 1.6 This practice does not specify reference reflector sizes or product rejection limits. It does describe fabrication practices and applied tolerances. In all cases of conflict between this practice and customer specifications, the customer specification shall prevail. 1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.8 This practice has incorporated the requirements of Practice E428 and Guide E1158. Reference standards that were manufactured under Practice E428 and Guide E1158 comply with the requirements of this practice. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.10 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 E127-20 Referenced Document

• ASTM B107/B107M Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire
• ASTM B221 Standard Specification for Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes
• ASTM B241/B241M Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube
• ASTM E1065 Standard Guide for Evaluating Characteristics of Ultrasonic Search Units
• ASTM E1158 Standard Guide for Material Selection and Fabrication of Reference Blocks for the Pulsed Longitudinal Wave Ultrasonic Examination of Metal and Metal Alloy Production Material
• ASTM E1316 Standard Terminology for Nondestructive Examinations
• ASTM E1324 Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing Instruments
• ASTM E2375 Standard Practice for Ultrasonic Testing of Wrought Products
• ASTM E317 Standard Practice for Evaluating Performance Characteristics of Ultrasonic Pulse- Echo Examination Instruments and Systems Without the Use of Electronic Measurement Instruments
• ASTM E428 Standard Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing
• SAE AMS4928 TITANIUM ALLOY 6Al - 4V Annealed - 120,000 psi Yield
• SAE AMS6409 STEEL BARS, FORGINGS, AND TUBING 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Special Aircraft Quality Cleanliness Normalized and Tempered
• SAE AMS6415 STEEL Nickel Chromium Molybdenum
• SAE AMS6484 Steel Bars@ Forgings@ and Tubing 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) SAE 4340 Normalized and Tempered (UNS G43400)

ASTM E127-20 history

• 2020 ASTM E127-20 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2019 ASTM E127-19e1 Standard Practice for Fabrication and Control of Flat Bottomed Hole Ultrasonic Standard Reference Blocks
• 2019 ASTM E127-19 Standard Practice for Fabrication and Control of Flat Bottomed Hole Ultrasonic Standard Reference Blocks
• 2015 ASTM E127-15 Standard Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2010 ASTM E127-10 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2007 ASTM E127-07 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2006 ASTM E127-06 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2005 ASTM E127-05 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 2004 ASTM E127-04 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
• 1998 ASTM E127-98 Standard Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks