ASTM D7091 – 12 PDF

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Background of SSPC PA 2; Overview and Purpose of SSPC-PA 2 (); Purpose of ASTM D ; Definitions; Gage Descriptions; Calibration & Verification. ASTM D focuses on gage use. • SSPC-PA 2 () focuses on acceptability of acquired measurements. • Both address ferrous and non-ferrous metal. This standard is issued under the fixed designation D ; the number immediately following the 1 This practice is under the jurisdiction of ASTM Committee D01 on Paint and . manufacturer’s specifications, n—a statement or set.

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A minimum thickness and a maximum thickness are normally specified for each layer of coating. You do not need to zero the gage. He holds an A.

Addresses measurement of coatings on ferrous and non-ferrous metal surfaces. For example, assume that the specification requires a four- to six-mil application of primer.

If there is no place to measure in a given direction, then no measurement in that direction is necessary. xstm

Please login to your authorized staff account to use this feature. With this service you are always guaranteed to have the latest edition available. Provisions for measuring on soft or tacky coatings aztm described in 5. Electronic gages are categorized as Type 2 Fig. For these gages, a permanent magnet is brought into direct contact with the coated surface. This process is described later in this asfm.

Contained 6 appendices Contains 8 appendices.

Measuring Dry Film Coating Thickness According to SSPC-PA 2KTA University

You currently cannot view this content. Contained a minimum gage accuracy requirement to qualify for use. Asgm of nonconforming areas required measurement of each square foot area painted aastm the work shift.

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A single instrument reading. If so which is the correct surface for calibrating? While their use has declined, they are still readily available and used by some. The total number of spot and area measurements is based on the total square footage of pipe on the cart or rack.

ASTM D7091:12

The correction curve may or may not cover the full range of the gage, but should cover the intended range of use. If you like to setup a quick demo, let us know at support madcad. Leave a Reply Cancel reply Your email address will not be published. On complex structures or in other cases where making spot measurements at five-foot intervals is not practical, asm measurements are taken on repeating structural units or elements of structural units.

Measuring Dry Film Coating Thickness According to SSPC-PA 2

Change is never easy…. The electronic file may not be reproduced in any way. Photos courtesy of Turner Industries Group, L.

For areas of coating to 1, square feet, three random areas are selected and measured. There are three categories of coated area: This service is not available if you are a URL user where you do not log in with an email address. Link to Asttm This link will always route to the current Active version of the standard.

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One conduit is through training and education. A one-point or two-point accuracy verification procedure can be performed as described earlier for Type 1 gages. The steps are incorporated by reference in SSPCPA 2 and are completed before obtaining coating thickness measurements to determine conformance to a specified qstm thickness range.

Spot measurements are obtained in each direction up to the maximum surface area coated during the work shift until two consecutive conforming spot measurements are acquired in that direction, or until no additional measurements can be made. Enter your account email address to request a password reset: Keane Award of Merit. Don, The standard is independent of the substrate type, as long as the substrate is a ferrous or non-ferrous metal.

Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work. Measure the coating thickness.

Within each area, five randomly spaced spots are selected. SSPC-PA 2 states that a minimum of 10 arbitrarily spaced locations should be measured one reading per location and then averaged. Search book title Enter keywords for book title search.

Two of the eight appendices were added in the remaining were in the edition and are highlighted below. The average of the gage readings is considered a spot measurement.