ASTM-B252 2009

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B252-92(2009) Standard Guide for Preparation of Zinc Alloy Die Castings for Electroplating and Conversion Coatings

Published By	Publication Date	Number of Pages
ASTM	2009	4

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Description

ASTM B252-92-Reapproved2009

Historical Standard: Standard Guide for Preparation of Zinc Alloy Die Castings for Electroplating and Conversion Coatings

ASTM B252

Scope

1.1 This guide is intended as an aid in establishing and maintaining a procedure for preparing zinc alloy die castings for electroplating and conversion coatings. It is primarily intended for the preparation of Alloys UNS Z33521 (AG-40A) and UNS Z35530 (AC-41A) (Specification B86) for electroplating with copper, nickel, and chromium (Specification B456).

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

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 limitations prior to use.

Keywords

Chromate coatings; Conversion coatings; Die casting zinc alloys; Electroplated coatings; Specimen preparation (general)–electroplating; Zinc die casting alloy

ICS Code

ICS Number Code n/a

DOI: 10.1520/B0252-92R09

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Practice Significance and Use Composition and Characteristics of Zinc Alloy Die Castings
2	Smoothing of Parting Lines Smoothing of Rough or Defective Surfaces Buffing
3	Precleaning and Rinsing Alkaline Electrocleaning and Rinsing
4	Acid Dipping and Rinsing Copper Striking

Additional information

Standard Title	B252-92(2009) Standard Guide for Preparation of Zinc Alloy Die Castings for Electroplating and Conversion Coatings
Published Code	ASTM
Publication Date	2009
Pages Count	4