ASTM B921-08(2013)

Standard Specification for Non-hexavalent Chromium Conversion Coatings on Aluminum and Aluminum Alloys

STANDARD published on 1.5.2013

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The information about the standard:

Designation standards: ASTM B921-08(2013)
Note: WITHDRAWN
Publication date standards: 1.5.2013
SKU: NS-8800
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Aluminium and aluminium alloys

Annotation of standard text ASTM B921-08(2013) :

Keywords:

conversion coating, non-hexavalent chromium conversion coating, non-rinsed, rinsed, ICS Number Code 77.120.10 (Aluminium and aluminium alloys)

Additional information

1. Scope

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.

2. Referenced Documents

ISO 4519	Electrodeposited Metallic Coatings and Related Finishes--Sampling Procedures for Inspection by Attributes
MIL-DTL-5541	Chemical Conversion Coatings on Aluminum and Aluminum Alloys
Fed. Std. No. 141	Paints, Varnish, Lacquer, and Related Materials; Methods of Inspection Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.
MIL-DTL-81706	Chemical Conversion Materials For Coating Aluminum and Aluminum Alloys
B117-19	Standard Practice for Operating Salt Spray (Fog) Apparatus
B602-21	Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings
D1730-09(2020)	Standard Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting
D3359-23	Standard Test Methods for Rating Adhesion by Tape Test
ISO 3768	Metallic Coatings--Neutral Salt Spray Test (NSS Test)
ISO 2409	Paint and Varnishes--Cross-Cut Test Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

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