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ASTM B 679 : 1998 : R2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Electrodeposited Coatings of Palladium for Engineering Use

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-09-2009

€67.30
Excluding VAT

CONTAINED IN VOL. 02.05, 2017 Includes requirements for electrodeposited palladium coatings containing at least 99.7 mass % of palladium metal.

Committee
B 08
DocumentType
Standard
Pages
6
ProductNote
Reconfirmed 2009
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1 This specification covers requirements for electrodeposited palladium coatings containing at least 99.7 mass % of palladium metal. Composite coatings consisting of palladium with a thin gold overplate for applications involving electrical contacts are also covered.

1.2 PropertiesPalladium is the lightest and least noble of the platinum group metals. It has a specific gravity of 12.0, which is substantially less than gold (19.3) and platinum (21.5). This yields a greater volume or thickness of coating and, consequently, some saving of metal weight accompanied by a small sacrifice in corrosion resistance and reflectivity. The following table compares the hardness range of electrodeposited palladium with other electrodeposited noble metals and alloys (1,2).

Approximate Hardness (HK25)
Gold50250
Palladium75600
Platinum150550
Palladium-Nickel300650
Rhodium7501100
Ruthenium6001300

1.3 The values stated in SI units are the preferred values. Values provided in parentheses are for information only.

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.

ASTM B 818 : 2003 : R2018 Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy<brk/>(UNS R31233) Plate, Sheet and Strip
ASTM B 741 : 1995 : R2000 Standard Test Method for Porosity In Gold Coatings On Metal Substrates By Paper Electrography (Withdrawn 2005)
ASTM B 343 : 1992 : REV A : R2004 : EDT 1 Standard Practice for Preparation of Nickel for Electroplating with Nickel
ASTM B 507 : 2014 : REDLINE Standard Practice for Design of Articles to Be Electroplated on Racks
ASTM B 542 : 2013 : REDLINE Standard Terminology Relating to Electrical Contacts and Their Use
ASTM B 567 : 1998 Standard Test Method for Measurement of Coating Thickness by the Beta Backscatter Method
ASTM B 765 : 2003 : R2018 Standard Guide for Selection of Porosity and Gross Defect Tests for Electrodeposits and Related Metallic Coatings
ASTM D 1125 : 2014 : REDLINE Standard Test Methods for Electrical Conductivity and Resistivity of Water (Withdrawn 2023)
ASTM B 818 : 2003 : R2018 Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy<brk/>(UNS R31233) Plate, Sheet and Strip
ASTM B 489 : 1985 : R2018 Standard Practice for Bend Test for Ductility of Electrodeposited and Autocatalytically Deposited Metal Coatings on Metals

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