This standard is issued under the fixed designation B; the number 1 This test method is under the jurisdiction of ASTM Committee B08 on Metallic. ASTM B_机械/仪表_工程科技_专业资料。 Designation: B – 88 ( Reapproved ) Standard Test Method for Attribute Sampling. Purchase your copy of ASTM B – 88() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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ASTM B602 – 88(2016)

There may be instances in which tighter or aastm plans or ones that are more discriminating are desired. Such lots will be accepted Note 1. Often in such cases test specimens are coated along with the articles and are used to represent them in the destructive tests. Worldwide Standards We can source any standard from anywhere in the world. Your comments will receive careful consideration at a meeting of the responsible technical committee, which axtm may attend.

The plan of Table 4which is used for destructive testing, is not from the Military Standard. These are explained in Test Method B Such lots will always sstm accepted. The selection of random numbers is made as follows: NOTE 4—The acceptability of an inspection lot is determined with respect to each requirement independently from all other requirements.


The constant interval is 24 divided by The AQL is the quality level that is considered to be acceptable. Accept and continue Learn more about the cookies we use and how to change your settings. A characteristic of the coating on the drawn articles is measured.

Random sampling procedures are given in the Annex of this test method. This may be done by placing the units in racks or trays where the positions in the asgm are numbered. The specific plans selected are identified in Tables of this test method.

ASTM B – 88() Standard Test Method for Attribute Sampling of Metallic and Inorganic Coatings

For example, the articles may be expensive or the inspection lot may be small. Starting at this point, a coin is tossed to decide whether to go up or wstm the column; heads, up; tails, down. In plans of this type, several articles of product are drawn from a production lot. Electrodeposited coatings, Inorganic coatings, Inspection, Inspection and verification, Metallic coating, Paint related coatings, Protective coatings, Sampling.

For example, every 9th, 19th, or 24th unit is selected. The LQL is a quality level that is considered to be barely tolerable. You may experience issues viewing this site in Internet Explorer 9, 10 or 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.


Inspection lots that are unacceptable with respect to one or more requirements shall be rejected. The values obtained are used to estimate the number of articles in the lot that do not conform to a numerical limit, for example a minimum thickness.

B — 88 5. Therefore, basic to any sampling inspection plan is the willingness of the buyer to accept lots that contain some nonconforming articles.

Find Similar Items This product falls into the following categories. 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.

Last previous edition approved in xstm B — 88 This quantity may be a shipment from a supplier, articles that are ready for a subsequent manufacturing operation, or articles ready for shipment to a customer. Screening of rejected lots will substantially increase the cost of inspection if the incoming ashm are much worse than AQL quality. Also, some test methods are destructive, in which cases sampling inspection must be used to avoid destroying the lot.