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Methods for the Measurement of Surface Profile in the Field

Methods for the Measurement of Surface Profile in the Field
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The SSPC Surface Profile Committee has been preparing a specification for the measurement of surface profile based on the four methods described in ASTM D4417, Standard Test Methods for Field Measurement Of Surface Profile of Blast Cleaned Steel. These methods are surface comparators, surface profile depth gauges, replica tape and the stylus profile gauges. 

Product Number: 41210-538-SG
Author: John Fletcher
Publication Date: 2010
Industry: Coatings
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$20.00
$20.00

The SSPC Surface Profile Committee has been preparing a specification for the measurement of surface profile based on the four methods described in ASTM D4417, Standard Test Methods for Field Measurement Of Surface Profile of Blast Cleaned Steel. These methods are surface comparators, surface profile depth gauges, replica tape and the stylus profile gauges. The work has included a pilot study of the three methods that produce readings, the surface profile depth gauges, the replica tape with the dial gauge and the stylus method gauges, undertaken by ASTM subcommittee D01.46. This paper describes the use of the four methods and the way in which the equipment for the four methods can be verified before they are used.

The SSPC Surface Profile Committee has been preparing a specification for the measurement of surface profile based on the four methods described in ASTM D4417, Standard Test Methods for Field Measurement Of Surface Profile of Blast Cleaned Steel. These methods are surface comparators, surface profile depth gauges, replica tape and the stylus profile gauges. The work has included a pilot study of the three methods that produce readings, the surface profile depth gauges, the replica tape with the dial gauge and the stylus method gauges, undertaken by ASTM subcommittee D01.46. This paper describes the use of the four methods and the way in which the equipment for the four methods can be verified before they are used.

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Surface Comparison Profile - A Comparison of Measurement Methods
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Surface Comparison Profile - A Comparison of Measurement Methods

Product Number: 41213-731-SG
Author: David Beamish
Publication Date: 2013
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Coating performance is related to the profile height on a steel surface. Three types of devices are available to take measurements of this surface profile: replica tape, depth micrometers fitted with pointed probes, and stylus roughness testers. This paper presents results from a recent analysis of measurements taken by the three device types on steel blasted with an assortment of blast media and proposes a new method of depth micrometer measurement called average of the maximum peaks.
New Developments in Surface Profile Measurement for Blast Cleaned Surfaces
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New Developments in Surface Profile Measurement for Blast Cleaned Surfaces

Product Number: 41213-746-SG
Author: J F Fletcher
Publication Date: 2013
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When protective coatings are to be applied to structures, it is important that the surface is clean and dry if premature failure of the coating is to be prevented and the full coating service life achieved. In many situations for both new build and repair of structures, blast cleaning of the surface is required to remove contamination and to create an anchor pattern to enhance the adhesion of the coating system to the substrate. 
Picture for Coatings + Proceedings 2021-ALL Papers
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(Surface Prep) Don’t Let Your Eyes Deceive You

Product Number: 67-COAT_DEC21
Author: Kenneth E. Rossy / Alexander J. Petkas,
Publication Date: 2021
$20.00

A steel surface has been properly prepared to a white metal blast and it looks great … to the naked eye at least. But is it? Why is a surface that has the correct profile and appears to be perfectly clean typically not good enough? A standard abrasive blast will give you the profile and visible cleanliness, but how clean is it? Testing is the only way to determine. That is testing for conductivity, chlorides, and any other contaminants.
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