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ASTM B602-88(2016)
Standard Test Method for Attribute Sampling of Metallic and Inorganic Coatings
Přeložit název
NORMA vydána dne 1.11.2016
Informace o normě:
Označení normy: ASTM B602-88(2016)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2016
Kód zboží: NS-667269
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM B602-88(2016) :
Keywords:
ICS Number Code 25.220.40 (Metallic coatings),25.220.99 (Other treatments and coatings)
Doplňující informace
| Significance and Use | ||||||||||
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4.1 Sampling inspection permits the estimation of the overall quality of a group of product articles through the inspection of a relatively small number of product items drawn from the group. 4.2 The selection of a sampling plan provides purchasers and sellers a means of identifying the minimum quality levels that are considered to be satisfactory. 4.3 Because sampling plans will only yield estimates of the quality of a product, the results of the inspection are subject to error. Through the use of sampling plans, the risk of error is known and controlled. |
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| 1. Scope | ||||||||||
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1.1 This test method gives sampling plans that are intended for use in the inspection of metallic and inorganic coatings for conformance to ASTM standard specifications. 1.2 The plans in this test method, except as noted, have been selected from some of the single sampling plans of MIL-STD-105D. The specific plans selected are identified in Tables 1-3 of this test method. The plan of Table 4, which is used for destructive testing, is not from the Military Standard. This standard does not contain the Military Standard's requirement for tightened inspection when the quality history of a supplier is unsatisfactory. 1.3 The plans are based on inspection by
attributes, that is, an article of product is inspected and is
classified as either conforming to a requirement placed on it, or
as nonconforming. Sampling plans based on inspection by variables
are given in Test Method B762. Variables plans are applicable when
a test yields a numerical value for a characteristic, when the
specification imposes a numerical limit on the characteristic, and
when certain statistical criteria are met. These are explained in
Test Method B762.
1.4 The plans in this test method are intended to be generally suitable. There may be instances in which tighter or looser plans or ones that are more discriminating are desired. Additional plans that may serve these needs are given in Guide B697. Also, Guide B697 describes the nature of attribute sampling plans and the several factors that must be considered in the selection of a sampling plan. More information and an even greater selection of plans are given in MIL-STD-105D, MIL-STD-414, ANSI/ASQC Z1.9-1979, Refs (1-7)2, and in Guide B697. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. |
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| 2. Referenced Documents | ||||||||||
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