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ASTM B177/B177M-11(2021)

Standard Guide for Engineering Chromium Electroplating

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NORM herausgegeben am 1.10.2021

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Informationen über die Norm:

Bezeichnung normen: ASTM B177/B177M-11(2021)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2021
SKU: NS-1039221
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Kategorie - ähnliche Normen:

Other treatments and coatings

Die Annotation des Normtextes ASTM B177/B177M-11(2021) :

Keywords:

chromium electroplating,, ICS Number Code 25.220.99 (Other treatments and coatings)

Ergänzende Informationen

1. Scope

1.1This guide provides information about the deposition of chromium on steel for engineering uses. This is sometimes called functional or hard chromium and is usually applied directly to the basis metal and is usually thicker than decorative deposits.

1.2The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3This guide is not intended as a standardized procedure, but as a guide for obtaining smooth, adherent coatings of chromium of a desired thickness while retaining the required physical and mechanical properties of the base metals. Specified chromium electrodeposits on ferrous surfaces are defined in Specification B650.

1.4This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

B281-88(2025)	Standard Practice for Preparation of Copper and Copper-Base Alloys for Electroplating and Conversion Coatings
B254-26	Standard Practice for Preparation of and Electroplating on Stainless Steel
B253-11(2022)	Standard Guide for Preparation of Aluminum Alloys for Electroplating
B244-09(2021)	Standard Test Method for Measurement of Thickness of Anodic Coatings on Aluminum and of Other Nonconductive Coatings on Nonmagnetic Basis Metals with Eddy-Current Instruments
B242-99(2025)	Standard Guide for Preparation of High-Carbon Steel for Electroplating
B183-18(2022)	Standard Practice for Preparation of Low-Carbon Steel for Electroplating
B320-25	Standard Practice for Preparation of Iron Castings for Electroplating
B568-98(2021)	Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry
B558-25	Standard Practice for Preparation of Nickel Alloys for Electroplating
B507-14(2021)	Standard Practice for Design of Articles to Be Electroplated on Racks
B504-90(2023)	Standard Test Method for Measurement of Thickness of Metallic Coatings by the Coulometric Method
B499-09(2026)	Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals
B487-24	Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section
B481-24	Standard Practice for Preparation of Titanium and Titanium Alloys for Electroplating
MIL-S-13165B	Shot Peening of Metal Parts
F519-23	Standard Test Method for Mechanical Hydrogen Embrittlement Evaluation of Plating/Coating Processes and Service Environments
B851-04(2020)	Standard Specification for Automated Controlled Shot Peening of Metallic Articles Prior to Nickel, Autocatalytic Nickel, or Chromium Plating, or as Final Finish
B850-98(2022)	Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement
B849-02(2023)	Standard Specification for Pre-Treatments of Iron or Steel for Reducing Risk of Hydrogen Embrittlement
B762-21	Standard Guide of Variables Sampling of Metallic and Inorganic Coatings
B697-88(2021)	Standard Guide for Selection of Sampling Plans for Inspection of Electrodeposited Metallic and Inorganic Coatings
B650-23	Standard Specification for Electrodeposited Engineering Chromium Coatings on Ferrous Substrates
B630-88(2021)	Standard Practice for Preparation of Chromium for Electroplating with Chromium
B602-21	Standard Guide for Attribute Sampling of Metallic and Inorganic Coatings
B322-99(2025)	Standard Guide for Cleaning Metals Prior to Electroplating
B571-23	Standard Practice for Qualitative Adhesion Testing of Metallic Coatings
B578-21	Standard Test Method for Microindentation Hardness of Electroplated Coatings

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