ASTM E428 PDF

Designation: E – 00 An American National Standard. Standard This practice covers a procedure for fabrication and ASTM Standards: control of. ASTM Distance-Amplitude #3, #5, #8 FBH Blocks (set of. 19). 9. EDM Notches . amplitude. Specifications: ASTM E, ASTM. E Calibration. Application. ASTM E – 00 – Standard Practice for Fabrication and Control of Steel Reference Blocks Used in.

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Note 1 — Use of flat-surface reference blocks may not be suitable for cylindrical materials 3 2. See Reference 1 for area-amplitude limitations at other frequencies and transducer diameters.

Unlike this practice, Practice E has requirements for evaluation relative to a specified standard target. Last previous edition E — Originally published as E — The curve may vary when the test is performed at other frequencies with different diameter search units and different water-path distances or if a contact test method is used.

Additional procedures and controls may be required when fabricating reference blocks from other than carbon or alloy steel material. Where several sets and types of blocks are being used, a serial number identi? Summary of Practice 4.

In cases of materials that are acoustically transparent to the extent that this requirement cannot be satis? This standard is subject to revision at any time by the responsible technical committee e248 must be reviewed every? Checking Physical Characteristics 7.

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Unlike this practice, Practice E has requirements for evaluation relative to a e4428 Note 2 — Practice E and Guide E also describe procedures for selecting material, fabricating blocks, and checking response.

It is recommended that blocks fabricated as sets be compared with each other to determine their relative ultrasonic-response characteristics.

The curve may vary when the examination is performed at other frequencies with different diameter search units and different water path distances or if a contact test method is used. Active view current version of standard.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. The machined counterbore may be omitted if this plugging technique is used. Careful attention must be given to the squareness of corners of the cutter, the slightest radius reduces the re?

ASTM E428 – 08(2013)

Current edition approved July 10, This practice, however, must not be confused with, nor does it supersede Practice Especi? Unlike this practice, Practice E has requirements for evaluation relative to a specified standard target. This is particularly desirable in the cases of sets containing?

Additional procedures and controls may be required atsm fabricating reference blocks from other than carbon or alloy steel material.

ASTM E – 00_百度文库

However, the coating must not signi? Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Also see Reference 2 for cautions regarding use of standard blocks for test e4428.

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The reference blocks described are suitable for use with either the direct-contact method or immersion pulse-echo ultrasonic methods. Due to possible edge build-up during the plating process, this tolerance applies only to the area exclusive of that within 1? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. 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.

Generally, nickel plating to a maximum thickness of 0. Note 1—Use of flat-surface reference blocks may not be suitable for cylindrical materials 3. A superscript epsilon e indicates an editorial change since the last revision or reapproval. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. At frequencies such as 5.