ASTM B244 PDF

This standard is issued under the fixed designation B; the 1 This test method is under the jurisdiction of ASTM Committee B08 on Metallic. ASTM B Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic. Find the most up-to-date version of ASTM B at Engineering

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Originally approved in They may be coated aluminum plates, or may be foils or shims of? Material Safety Data Sheets. Both the test surface and instrument probe should be kept free of foreign material.

Buffing and Polishing Includes abrasives, bar compound, buffing wheels, polishing lubricants, specialty compounds, buffing kits View All. NOTE 1—Although, theoretically, this test method can be used for measuring nonconductive coatings on a magnetic basis metal, its use for coatings below 25?

b2444

Local variations in coating thickness may also require that a number of measurements be made in any given area; this applies particularly to a rough surface see 8. The characteristics of this secondary? Users of this standard are expressly advised that determination ast, the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

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Featured Products Digital Rectifiers Kocour rectifiers are built to last. NF6M Stand Versatile and simple with connecting cable and air agitation system. Analytical Testing Includes analytical test papers, solutions, reagents, indicators, plating test sets, and specialized measurements View All.

To those of b24 who are already Kocour customers, thank you. Chemical conversion coatings are too thin to be measured by this test method.

Pioneers in the Plating Industry Since A probe is placed directly on the coated surface in a perpendicular position and electronic circuitry is used to convert a reference signal into a coating thickness measurement. Because of this, and despite the use of special probes or?

Precision and Bias Attention shall be given to the factors listed in Section 8 and to the procedures described in Section 9. Website by Distant Horizon. If there is no difference between the readings, the astn thickness is exceeded.

Proven Structure M1 – Structure

Current edition approved April 15, A one-year calibration interval is a typical frequency suggested by many instrument manufacturers. Electroplating Includes agitators, hull cells, timers, anodes and cathodes, rectifiers, plater’s tape, and other plating accessories. Kocour Company is ranked first in the metal finishing industry, Kocour enjoys a worldwide reputation for high quality products and services for the Plating Industry.

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Digital Rectifiers Kocour rectifiers are built to last. If not, either use the back-up method in 7. Give appropriate attention to the factors listed in Section 8. Allow weeks delivery. If the roughness of the substrate surface is small, relative to the coating thickness, its effect will probably be negligible. Thickness Testing Includes coulometric modules and testers, calibration standards, repair services, and replacement parts.

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The values given in parentheses are for information only. A number aatm parentheses indicates the year of last reapproval. Therefore, measurements made too near an edge or inside corner will not be valid unless the instrument is speci? Summary of Test Method 4. For a given basis metal, the higher the measuring frequency, the smaller the critical thickness of the basis metal.