ASTM B449 - 93(2015) - Standard Specification for Chromates on Aluminum

ASTM B449 - 93(2015)

Standard Specification for Chromates on Aluminum

Status : Current   Published : January 2015



1.1 This specification covers the requirements relating to rinsed and nonrinsed chromate conversion coatings on aluminum and aluminum alloys intended to give protection against corrosion and as a base for other coatings. This edition of the specification has been coordinated with ISO/DIS 10546 and is technically equivalent.

1.2 Aluminum and aluminum alloys are chromate 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4  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.

Standard NumberASTM B449 - 93(2015)
TitleStandard Specification for Chromates on Aluminum
Publication Date03 January 2015
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Chromate, Clear chromate, Conversion coating, Nonrinsed, Passivation coating, Rinsed, Yellow chromate
File Size112 KB

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