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ASTM B 762 : 2021

Current

Current

The latest, up-to-date edition.

Standard Guide of Variables Sampling of Metallic and Inorganic Coatings

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

27-10-2021

€56.53
Excluding VAT

Committee
B 08
DocumentType
Guide
Pages
10
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This guide provides sampling plans that are intended for use in the inspection of metallic and inorganic coatings on products for the purpose of deciding whether submitted lots of coated products comply with the specifications applicable to the coating.

1.2The sampling plans are variables plans. In plans of this type, several articles of product are drawn from a production lot. A characteristic of the coating on the drawn articles is measured. 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. The number is compared to a maximum allowable.

1.3Variables plans can only be used when the characteristic of interest is measurable, the test method gives a numerical measure of the characteristic, and the specification places a numerical limit on the measured value. It is also necessary that the variation of the characteristic from article to article in a production lot be normally distributed (see Appendix X2). Each article must be tested in the same way (for example, coating thickness must be measured at the same location, see X2.7) so that the values from article to article are comparable. If one or more of these conditions are not met, a variables plan cannot be used. Instead, an attributes plan must be used. These are given in Guide B602 and Guide B697.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM B 650 : 1995 : R2018 Standard Specification for Electrodeposited Engineering Chromium Coatings on Ferrous Substrates
ASTM B 605 : 1995 : REV A : R2015 Standard Specification for Electrodeposited Coatings of Tin-Nickel Alloy
ASTM B 633 : 2019 Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel
ASTM B 700 : 2020 Standard Specification for Electrodeposited Coatings of Silver for Engineering Use
ASTM B 697 : 1988 : R2021 Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings
ASTM B 840 : 2015 Standard Specification for Electrodeposited Coatings of Zinc Cobalt Alloy Deposits
ASTM B 545 : 2013 : R2021 Standard Specification for Electrodeposited Coatings of Tin
ASTM B 177/B177M : 2011 : R2021 Standard Guide for Engineering Chromium Electroplating
ASTM B 984 : 2012 : R2020 : EDT 1 Standard Specification for Electrodeposited Coatings of Palladium-Cobalt Alloy for Engineering Use
ASTM B 994/B994M : 2015 Standard Specification for Nickel-Cobalt Alloy Coating
ASTM B 874 : 1996 : R2018 Standard Specification for Chromium Diffusion Coating Applied by Pack Cementation Process
ASTM B 842 : 1999 : R2016 Standard Specification for Electrodeposited Coatings of Zinc Iron Alloy Deposits
ASTM B 456 : 2017 Standard Specification for Electrodeposited Coatings of Copper Plus Nickel Plus<brk/> Chromium and Nickel Plus Chromium
ASTM B 893 : 1998 : R2018 Standard Specification for Hard-Coat Anodizing of Magnesium for Engineering Applications
ASTM B 607 : 2021 Standard Specification for Autocatalytic Nickel Boron Coatings for Engineering Use
ASTM B 488 : 2018 Standard Specification for Electrodeposited Coatings of Gold for Engineering Uses
ASTM B 733 : 2015 Standard Specification for Autocatalytic (Electroless) Nickel-Phosphorus Coatings on Metal
ASTM B 816 : 2000 : R2021 Standard Specification for Coatings of Cadmium-Zinc Mechanically Deposited
ASTM B 695 : 2004 : R2016 Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
ASTM B 635 : 2000 : R2015 Standard Specification for Coatings of Cadmium-Tin Mechanically Deposited
ASTM B 696 : 2000 : R2015 Standard Specification for Coatings of Cadmium Mechanically Deposited
ASTM A 1074 : 2011 : R2020 Standard Specification for Hot Tin and Hot Tin/Lead Dip on Ferrous and Non-Ferrous Metals
ASTM B 602 : 1988 : R2016 Standard Test Method for Attribute Sampling of Metallic and Inorganic Coatings

ASTM B 602 : 2021 Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings

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