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ASTM B 921 : 2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Specification for Non-hexavalent Chromium Conversion Coatings on Aluminum and Aluminum Alloys
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-04-2008

CONTAINED IN VOL. 02.05, 2017 Defines the requirements relating to rinsed and non-rinsed non-hexavalent chromium conversion coatings on aluminium and aluminium alloys intended to give protection against corrosion and as a base for other coatings.

1.1 This specification covers the requirements relating to rinsed and non-rinsed non-hexavalent chromium conversion coatings on aluminum and aluminum alloys intended to give protection against corrosion and as a base for other coatings.

1.2 Aluminum and aluminum alloys are conversion coated in order to retard corrosion; as a base for organic films including paints, plastics, and adhesives; and as a protective coating having a low electrical contact impedance.

1.3 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 requirements prior to use.

Committee
B 08
DocumentType
Standard
Pages
2
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

MIL-DTL-81706 Revision B:2004 Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys
MIL-DTL-5541 Revision F:2006 Chemical Conversion Coatings on Aluminum and Aluminum Alloys
ISO 4519:1980 Electrodeposited metallic coatings and related finishes — Sampling procedures for inspection by attributes
ISO 3768:1976 Metallic coatings — Neutral salt spray test (NSS test)
ISO 2409:2013 Paints and varnishes Cross-cut test
FED-STD-141 Revision D:2001 PAINT, VARNISH, LACQUER AND RELATED MATERIALS, METHODS OF INSPECTION, SAMPLING AND TESTING
ASTM D 3359 : 2017 : REDLINE Standard Test Methods for Rating Adhesion by Tape Test

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