ASTM-B253 Standard Guide for Preparation of Aluminum Alloys for Electroplating

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Standard Guide for Preparation of Aluminum Alloys for Electroplating



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1.1 This guide covers cleaning and conditioning treatments used before metal deposition (Section 5), and immersion deposit/strike procedures (Section 6) that enhance the adhesion of metals that are subsequently applied to aluminum products by electrodeposition or by autocatalytic chemical reduction.

1.2 The following immersion deposit/strike procedures are covered:

1.2.1 Zinc immersion with optional copper strike (6.3).

1.2.2 Zinc immersion with neutral nickel strike (6.4).

1.2.3 Zinc immersion with acetate-buffered, nickel glycolate strike (6.5).

1.2.4 Zinc immersion with acid or alkaline electroless nickel strike.

1.2.5 Tin immersion with bronze strike (6.6).

1.3 From the processing point of view, these procedures are expected to give deposits on aluminum alloys that are approximately equivalent with respect to adherence. Corrosion performance is affected by many factors, however, including the procedure used to prepare the aluminum alloy for electroplating.

1.4 This guide is intended to aid electroplaters in preparing aluminum and its alloys for electroplating.

1.5 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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. For specific precautionary statements see Section 7 and Appendix.


Aluminum alloys; Brass-electrodeposition; Cadmium-metallic coatings; Chromium-coatings; Copper-electrodeposited coatings; Electroplated coatings; Gold-electrodeposited coating; Nickel-electrodeposition; Silver-electrodeposition; Specimen preparation (general)-electroplating; Tin-electrodeposited coatings; Zinc-electrodeposited coatings; Zincate process; preparation-aluminum alloys for electroplating, guide; ICS Number Code 25.220.10 (Surface preparation)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

25.220.10 (Surface preparation Including surface preparation for painting, cleaning, scouring, blasting, etc.)

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Document Number


Revision Level

2011 R22 EDITION



Modification Type

Editorially changed

Publication Date

June 7, 2022

Document Type


Page Count

7 pages

Committee Number