For hot-dip galvanizing applications, it is possible to measure and verify the steel surface profile according to ASTM D, Standard Test. ASTM D – 11 Standard Test Methods for Field Measurement of Surface Profile of Blast – Download as PDF File .pdf), Text File .txt) or read. ASME B, Surface Texture (Surface Roughness, Waviness and Lay); ASTM D, Standard Test Methods for Measurement of Surface Profile of Blast.

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A number in parentheses indicates the year of last reapproval.

Updates to ASTM D | American Galvanizer’s Association

A superscript epsilon e indicates an editorial change since the last revision or reapproval. There are additional techniques suitable for laboratory use not covered by these test methods. The values given in parentheses are for information only.

It is the responsibility of whoever uses this standard to consult and astn appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Summary of Test Method 2.

For this reason, surface pro? The instruments described are readily portable and sufficiently sturdy for use in the? Current edition approved May 10, Originally approved in Last previous edition approved in as D — 93 NOTE 1—Optical microscope methods serve as a referee method for surface pro? This is done because of evidence that coatings performance in any one small area is primarily in?

Each area is marked giving the nominal pro? Typical comparator surfaces are prepared with steel shot, steel grit, or sand or other nonmetallic abrasive, since the appearance of the pro? The comparator areas are used with or without magni? The base of the instrument rests on the tops of the peaks of the surface pro?


A burnishing tool is used to impress the foam face of the tape into the surface to create a reverse replica of the pro? Your comments will receive careful consideration at a meeting of the responsible technical committee,1which you may attend. Your comments will receive careful consideration at a meeting of the responsible technical committee,1which you may attend Copyright? This can be done with the unaided eye, under 5 to 10 power magni?

Report the range of results from all locations as the surface pro?

Hold the gage by its base and press? Adjust the instrument to zero. Do not drag the instrument across the surface between readings, or the spring-loaded tip may become rounded leading to false readings. At each location make ten readings and determine the mean. d44417

Then determine the mean for all the locations and report it as the pro? Measure the thickness of the tape compressed foam and non-compressible plastic? Subtract the thickness of the noncompressible plastic? At each location make three readings and determine the mean.

Precision and Bias 8. NOTE 2—The test methods measure different values and the qualitative rating on which the applicability was determined also measures a different value. The mode is determined with the comparator of Test Method A. The height of a single valley below a plane at the level of the highest surrounding peaks is measured with the? The distance from the bottoms of many of the deepest valleys to the tops of the highest peaks maximum pro?


The height of a single peak above an adjacent valley below is measured with a microscope for the qualitative rating that is compared with each of the methods in correlation calculations.

Differences in Surface Profile Measurements: ASTM D4417- Method B vs. Method C

Because the results for the microscope and for the? 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.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. 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.

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