ASTM-B456 2011

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B456-11e1 Standard Specification for Electrodeposited Coatings of Copper Plus Nickel Plus
Chromium and Nickel Plus Chromium

Published By	Publication Date	Number of Pages
ASTM	2011	12

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Categories: 25.220.40 - Metallic coatings, ASTM

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Description

1.1 This specification covers requirements for several types and grades of electrodeposited copper plus nickel plus chromium or nickel plus chromium coatings on steel, nickel plus chromium coatings on copper and copper alloys, nickel plus chromium coatings on Type 300 and 400 series stainless steel and copper plus nickel plus chromium coatings on aluminum and its alloys and zinc alloys for applications where both appearance and protection of the basis metal against corrosion are important. Five grades of coatings are provided to correspond with the service conditions under which each is expected to provide satisfactory performance: namely, extended very severe, very severe, severe, moderate, and mild. Definitions and typical examples of these service conditions are provided in Appendix X1.

1.2 This specification does not cover the requirements for the plating on plastics, see Specification B604 .

1.3 The following hazards caveat pertains only to the test methods portions, Appendix X2, Appendix X3, Appendix X4, and Appendix X5 of this specification: This standard does not purport to address all of 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.

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PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Classification Ordering Information
3	Product Requirements TABLE 1 TABLE 2 TABLE 3 TABLE 4 TABLE 5
4	TABLE 6
5	TABLE 7
6	Sampling Requirements Packaging Keywords
7	X1. DEFINITIONS AND EXAMPLES OF SERVICE CONDITIONS FOR WHICH THE VARIOUS SERVICE CONDITION NUMBERS ARE APPROPRIATE X1.1 X1.2 X1.3 X1.4 X1.5 X2. ELONGATION TEST X2.1 X2.2 X2.3 X3. DETERMINATION OF SULFUR IN ELECTRODEPOSITED NICKEL (NOTE X3.1) X3.1 Total Sulfur in Electroplated Nickel by Combustion-Iodate Titration
9	X3.2 Determination of Sulfur in Electroplated Nickel by the Evolution Method FIG. X3.1
10	X4. DETERMINING THE NUMBER OF DISCONTINUITIES IN CHROMIUM ELECTROPLATING (DUBPERNELL TEST) X4.1 X4.2 FIG. X4.1
11	X4.3 X5. Determining the Number of Active Sites After Corrosion X5.1 Principle of the Method X5.2 X5.3 X5.4

Additional information

Standard Title	B456-11e1 Standard Specification for Electrodeposited Coatings of Copper Plus Nickel Plus<br /> Chromium and Nickel Plus Chromium
Published Code	ASTM
Publication Date	2011
Pages Count	12
ICS Codes	25.220.40 - Metallic coatings

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ASTM-B456 2011

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